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Biology | Class 12
Federal
Class 12
Biology (
Total Videos: 297
)
Preference
All Chapters
Chapter 1: Digestive System of Man
Chapter 2: Blood Circulatory System of Man
Chapter 3: Respiratory System of Man
Chapter 4: Urinary System of Man
Chapter 5: Nervous System of Man
Chapter 6: Endocrine System of Man
Chapter 7: Skeletal System of Man
Chapter 8: Thermoregulation, Homeostasis
Chapter 9: Immunity
Chapter 10: Biotechnology
Chapter 11: Biostatistics and Data Handling
Chapter 12: Structural and Computational Biology
Chapter 13: Climate Change
Chapter 14: Selected Topics
Chapter 15: Pharmacological Drugs
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Digestive System of Man (
20 videos
)
(
Exercises
Exercise Answers
)
1.1: Oral Cavity (
Practice Test
)
Alimentary Canal
5890 views
Oral Cavity
693 views
1.2: Swallowing and Peristalsis (
Practice Test
)
Pharynx and Oesophagus
6713 views
1.3: Esophagus and Stomach (
Practice Test
)
Pharynx and Oesophagus
6713 views
Stomach Digestion
11097 views
More on Digestion of Food in the Stomach
2147 views
1.4: Role of the Nervous System and Gastrin Hormone on the Secretion of Gastric Juice
Role of Nervous System and gastrin Hormone on the Secretion of Gastric Juice
1837 views
1.5: Small Intestine (
Practice Test
)
Small intestine
8002 views
Digestion in Duodenum and Enzyme Precursors
1946 views
More on Jejunum
2247 views
1.6: Absorption of Digestion Products (
Practice Test
)
Absorption of Digested from lumen of Intestine
951 views
More on Digestion and Absorption of Food in the Small Intestine
3743 views
Absorption of Protein in Small Intestine
465 views
1.7: Large Intestine (
Practice Test
)
Large Intestine
6785 views
Functions of Large Intestine
1.8: Defecation
Functions of Large Intestine
1.9: Storage and Metabolic Role of Liver
Functions of Liver
694 views
1.10: Composition and Role of Bile (
Practice Test
)
Liver
6945 views
1.11: Structure and Function of Pancreas
Pancreas as an Exocrine Gland
747 views
1.12: Relation of Secretion of Bile and Pancreatic Juice With the Secretion of Hormone
Secretion of Pancreatic Juice is Related to Secretin Hormone
1058 views
Chapter 2 Blood Circulatory System of Man (
45 videos
)
(
Exercises
Exercise Answers
)
2.1: Human Heart (
Practice Test
)
Structure of Human Heart
18062 views
Structure of Human Heart
6361 views
2.2: Structure of Walls of Heart (
Practice Test
)
Valves of Heart
2684 views
More on Valves of Heart
1570 views
2.3: Flow of Blood Through Heart (
Practice Test
)
Passage of Blood Through Heart
1762 views
2.4: Phases of Heartbeat (
Practice Test
)
Heart Beat
5655 views
Cardiac Cycle
2.5: Conducting System of the Heart (
Practice Test
)
S-A Node, Pace Maker, AV Node
20264 views
2.6: Electrocardiogram
Electrocardiogram
2.7: Blood Vessels (
Practice Test
)
More on Blood Vessels, Arteries
1136 views
Capillaries
1703 views
Veins
1017 views
Valves in Veins
1423 views
2.8: Role of Arterioles in Vaso-Constriction and Vasodilation (
Practice Test
)
Arterioles
1549 views
2.9: Role of Pre-Capillary Sphincters (
Practice Test
)
Role of Precapillary Sphincter
1788 views
2.10: Path of Blood Through the Pulmonary and Systemic Circulation (
Practice Test
)
More on Pulmonary Circulation
599 views
More on Systemic Circulation
530 views
Coronary Circulation
8646 views
Hepatic Portal System
Renal Circulation
4081 views
2.11: Rate of Blood Flow in Blood Vessels (
Practice Test
)
Rate of Blood Flow
1343 views
2.12: Blood Pressure (
Practice Test
)
Blood Pressure, Measuring of Blood Pressure
2.13: Baroreceptors and Volume Receptors (
Practice Test
)
Baroreceptor Reflexes
1198 views
Baroreceptors
3360 views
Volume receptors
2.14: Cardiovascular Disorders (
Practice Test
)
Thrombosis
3615 views
2.15: Heart Problems (
Practice Test
)
Atherosclerosis and Arteriosclerosis
5897 views
2.16: Stages of Cardiovascular Disease Development (
Practice Test
)
Angina Pectoris
1015 views
More on Myocardial Infarction
758 views
Heart Failure, PDA
601 views
Congenital Heart Problems
1339 views
2.17: Diagnosis of Cardiovascular Disorders (
Practice Test
)
Treatment of Cardiovascular Diseases
878 views
Angioplasty
859 views
Open Heart Surgery
1056 views
2.18: Hypertension and Hypotension (
Practice Test
)
Hypertension
1891 views
Prevention and Treatment of Hypertension
742 views
Hypotension
2327 views
2.19: Intercellular Fluid and Lymph (
Practice Test
)
Tissue Fluid Leaves the Capillaries
6958 views
2.20: Lymphatic System of Man (
Practice Test
)
Lymphatic System of Man
2964 views
lymphatic vessels
2793 views
Lymphatic capillaries
1652 views
Lymph Nodes
1965 views
Position of Lymph Nodes
1678 views
Lymph Nodes in Pelvic, Abdominal & Thoracic Cavity
14213 views
Spleen as a Lymphatic Organ
1561 views
Chapter 3 Respiratory System of Man (
23 videos
)
(
Exercises
Exercise Answers
)
3.1: Properties of Respiratory Surface (
Practice Test
)
Properties of Respiratory Surface
2256 views
3.2: Respiratory System of Man (
Practice Test
)
Upper Respiratory Tract (Nose)
11024 views
Pharynx
14559 views
Lower Respiratory Tract (Larynx and Trachea)
5760 views
Bronchi and Bronchioles
5698 views
Alveolar Ducts and Alveoli
External Structure of lungs
3.3: Mechanism of Ventilation (Breathing) (
Practice Test
)
Mechanism of Breathing in man
1398 views
Inspiration
705 views
Expiration
469 views
Control of Breathing (ventilation)
5882 views
3.4: Transport of Gases (
Practice Test
)
Transport of Oxygen
1438 views
Transport of (CO2)
5655 views
As Carboxyhemoglobin, AS a Dissolved Carbon Dioxide in Plasma
2101 views
3.5: Role of Respiratory Pigments (
Practice Test
)
Myoglobin
1443 views
Hemoglobin
1384 views
3.6: Respiratory Disorders (
Practice Test
)
Upper Respiratory Disorders, Sinusitis
798 views
Otitis Media
795 views
Pneumonia, Asthma
8607 views
Pulmonary Tuberculosis (T.B)
1828 views
Emphysema
2909 views
Lung Cancer
7688 views
Bad effects of smoking
4565 views
Chapter 4 Urinary System of Man (
15 videos
)
(
Exercises
Exercise Answers
)
4.1: Excretion (
Practice Test
)
Excretion in Animals
9564 views
Nature of Excretory Products in Relation to Habitats
7312 views
4.2: Urinary System of Man (
Practice Test
)
Urinary system
9245 views
Structure of Kidney
49113 views
Structure of Nephron
11277 views
Blood Circulation to Nephron
6650 views
4.3: Urine Formation (
Practice Test
)
Functions of Kidney
9917 views
Concentration of Excretory Product
4743 views
4.4: Functions of Kidney (
Practice Test
)
Functions of Kidney
27826 views
4.5: Disorders of Urinary Tract (
Practice Test
)
Urinary Tract Infections (UTIs)
3371 views
Kidney Stone
4168 views
Kidney (Renal) Failure, Dialysis
13435 views
Lithotripsy
3666 views
Peritoneal Dialysis
20631 views
Kidney Transplant
2333 views
Chapter 5 Nervous System of Man (
34 videos
)
(
Exercises
Exercise Answers
)
5.1: Receptors are Transducers (
Practice Test
)
The Nervous System
429 views
Working Model of The Nervous System
110 views
5.2: Path of a Message Transmitted to the Central Nervous System (
Practice Test
)
Neuron Types
10302 views
5.3: Neuron (
Practice Test
)
Nerve cell or Neuron
14832 views
Neuron Types
10302 views
Nervous Tissue
3224 views
5.4: Reflex Arc (
Practice Test
)
Reflex Action
10745 views
5.5: Nerve Impulse (
Practice Test
)
Generation and transmission of nerve impulse
Nerve Impulse and Resting Membrane Potential
12246 views
Refractory Period
Velocities of Nerve Impulse
The Role of Local Circuits In Saltatory Conduction of Nerve Impulse
5.6: Synapse (
Practice Test
)
Synapse
11029 views
Classification of Neurotransmitters
5.7: Main Components of Nervous System (
Practice Test
)
Central Nervous System (CNS) Brain
10596 views
Mid Brain and Hind Brain
11262 views
Spinal cord
13955 views
Peripheral Nervous System (PNS)
29672 views
More on Peripheral Nervous System (PNS)
2975 views
Other Senses, Smell, Taste and Touch
2404 views
Working of Sensory Receptors with Special Reference to Skin
4786 views
5.8: Effects of Drugs on nervous Coordination (
Practice Test
)
Effects of Drugs on Nervous Coordination
Narcotic Drugs
Nicotine, Alcohol
Drug Addiction And Drug Tolerance
5.9: Pain Medicines Reduce or Numb Pain in Human Body
Pain Medicines Reduce or Numb Pain in Human Body
5.10: Disorders of the Nervous System (
Practice Test
)
Stroke
849 views
Meningitis
1315 views
Brain Tumors
1249 views
Headache
1311 views
Alzheimer's Disease
3664 views
5.11: Principles of Diagnostic Tests for Nervous Disorders (
Practice Test
)
Electroencephalography
419 views
Magnetic Resonance Imaging (MRI)
Computerized Axial Tomography (CAT) Scan
Chapter 6 Endocrine System of Man (
12 videos
)
(
Exercises
Exercise Answers
)
6.1: Hormones (
Practice Test
)
Chemical Nature of Hormone
5946 views
Mode of Hormone Action
4163 views
6.2: Endocrine System of Man (
Practice Test
)
Important endocrine gland
9123 views
Pituitary Gland
7291 views
Pituitary's Median lobe and posterior lobe
4164 views
Thyroid Gland
10441 views
Parathyroid
7905 views
Pancreas
10728 views
Adrenal Gland
9392 views
Gonads
8639 views
6.3: Neurosecretory Role of Hypothalamus
Neurosecretory Role of Hypothalamus
6.4: Feedback Mechanism (
Practice Test
)
Feed Back Mechanism
11601 views
Chapter 7 Skeletal System of Man (
33 videos
)
(
Exercises
Exercise Answers
)
7.1: Human Skeleton (
Practice Test
)
Bones
10019 views
Cartilages
6653 views
7.2: Divisions of Human Skeleton (
Practice Test
)
Human Skeleton, Axial Skeleton
38474 views
Skull
3485 views
Vertebral Column
9 views
Ribs
2583 views
Appendicular Skeleton
8148 views
Pelvic Girdle
3262 views
Pectoral Girdle and Forelimb
Hind Limb
7.3: Joints (
Practice Test
)
Types of Joints
11695 views
More on Joints
3205 views
Synovial Joint
4692 views
7.4: Disorders of Skeleton (
Practice Test
)
Disc-Slip
6459 views
Spondylosis
3761 views
Sciatica
4201 views
Arthritis and its Types
1679 views
Defects of Skeletal System
1329 views
7.5: Bone Fractures (
Practice Test
)
Repair of Broken Bones
8478 views
7.6: Injuries to Joints
Joint Injuries
7.7: Muscles (
Practice Test
)
Muscular System
4186 views
Muscles and Movements
7571 views
Smooth and Cardiac Muscles
4437 views
7.8: Structure of Skeletal Muscles (
Practice Test
)
Skeletal Muscles , Skeletal Muscle Fibre
12189 views
More on Skeletal Muscles , Skeletal Muscle Fibre
8763 views
Ultra Structure of Microfilaments
6912 views
7.9: Muscle Contraction-Sliding Filament Model (
Practice Test
)
Sliding Filament Model
8807 views
How Bridges are Controlled
5968 views
7.10: Antagonistic Arrangement of Skeletal Muscles (
Practice Test
)
Arrangement of Skeletal Muscles for Skeletal Movement
4024 views
Origin, Insertion, Belly, Ligaments and Tendons
3142 views
Movement in Knee Joint
7.11: Muscle Disorders (
Practice Test
)
Tetany, Cramp
14328 views
Bacillary Dysentery, Tetanus
2050 views
Chapter 8 Thermoregulation, Homeostasis (
12 videos
)
(
Exercises
Exercise Answers
)
8.1: Thermoregulation (
Practice Test
)
Osmoregulation, Thermoregulation and Excretion
29601 views
Classification of Animals on the Basis of Their Body Temperature
6239 views
Classification of Animals on the Basis of Heat Production
Regulation of Heat Exchange Between Animals and Environment
4544 views
Regulatory Strategies
3674 views
Thermostat Function and Feedback Controls in Human and Fever
3770 views
8.2: Homeostasis (
Practice Test
)
Homeostasis
2717 views
Feed Back Mechanism
11601 views
8.3: Osmoregulation (
Practice Test
)
Osmoregulation in Animals
17204 views
Osmoregulation in Different Environments
12639 views
Marine Environments
8056 views
Terrestrial Environments
5959 views
Chapter 9 Immunity (
27 videos
)
(
Exercises
Exercise Answers
)
9.1: First Line of Defense (
Practice Test
)
Immunity, Immunology
2849 views
First Line of Defense
7244 views
Cilia and Mucus
2288 views
9.2: Second Line of Defense-Nonspecific Defense (
Practice Test
)
Second Line of Defense
3985 views
Killing Cells of Blood, Macrophages
2661 views
Neutrophils, Natural Killer Cells
5185 views
Complement System
2652 views
Interferon
3859 views
Inflammatory Response as one of the non specific Defenses
2431 views
Pyrexia and Pyrogens
3910 views
Ways the Fever kills Microbes
1420 views
9.3: Third Line of Defense-The Specific Defenses (
Practice Test
)
The Specific Defenses (Third Line of Defense )
4888 views
Antigen, Antibody
15141 views
Role of Monocytes in Third Line of Defense
674 views
Cell Mediated Immune Response
2827 views
Humoral Immunity
403 views
The Antibody Mediated Immune Response
1879 views
Role of Memory Cell in Immunity
1330 views
Structure Model of Antibodies
2181 views
Mode of Action of an Antibody
105 views
Primary and Secondary Immune Response
4064 views
Monoclonal Antibodies
Inborn and acquired immunity
1274 views
9.4: Types of Acquired Immunity (
Practice Test
)
Inborn and acquired immunity
1274 views
Allergies
1323 views
Autoimmune Disease
1854 views
Role of T-Cells and b-Cells in Transplant Rejection
3129 views
Chapter 10 Biotechnology (
24 videos
)
(
Exercises
Exercise Answers
)
10.1: Introduction to Genetic Engineering (
Practice Test
)
Biotechnology, The Genetic Engineering
11062 views
Recombinant DNA Technology
27401 views
Advance Recombinant DNA Technology, How to Get a Gene
5232 views
10.2: Molecular Scissors (Restriction Endonuclease) (
Practice Test
)
Molecular Scissor: Restriction Endonucleases
5696 views
10.3: Molecular Carriers or Vectors (
Practice Test
)
Molecular Carrier: Vector
5827 views
Molecular Carrier (Vector) Plasmid and Bacteriophage
2878 views
Molecular Carrier (Vector) Cosmid and Artificial Chromosome
DNA Ligase and Expression System
2946 views
Expression of the Recombinant DNA
2914 views
10.4: Formation of Human Insulin Protein in Bacteria (
Practice Test
)
Insulin production
1076 views
Isolating the Insulin Gene
812 views
Inserting Insulin Gene into a Vector
Selection of Genetically Modified Bacteria
945 views
10.5: Polymerase Chain Reaction (PCR) (
Practice Test
)
The Polymerase Chain Reaction
4706 views
Components of PCR
3158 views
Mechanism of PCR
3492 views
Applications of PCR
8141 views
10.6: Genetically Modified Organisms (GMOs) (
Practice Test
)
Genetically Modified Organisms
294 views
Transgenic Bacteria
3120 views
Transgenic Plants
8973 views
Transgenic Animals
3843 views
10.7: Working of Vertical (Soil-Free) Food Farms
Vertical farming
The Technique of Hydroponic System and The Concept of Cloning In Biology
10.8: Comparison of Vertical Food Farms with General Agricultural Practices in Pakistan
Vertical farming
Chapter 11 Biostatistics and Data Handling (
27 videos
)
(
Exercises
Exercise Answers
)
11.1: Biostatistics and its Uses
Biostatistics and its Uses
11.2: Definition and Calculation of Mean, Median, Mode, Standard Deviation, Range and Percentile (
Practice Test
)
Concept of Arithmetic Mean
2924 views
Problem-Concept of Arithmetic Mean
1581 views
Arithmetic Mean of Raw Data-Direct Method
4101 views
Arithmetic Mean for Grouped Data-Direct Method
3278 views
Problem-Arithmetic Mean for Grouped Data-Direct Method
1833 views
Median of Primary Data
166 views
Median for Ungrouped Data
4878 views
Problem-Median for Ungrouped Data
1934 views
Median for Grouped Data
3057 views
Problem-Median for Grouped Data
1735 views
Merits and Demerits of Measures of Median
4771 views
Mode for Ungrouped Data
1778 views
Problem-Mode for Ungrouped Data
1130 views
Mode for Grouped Data
2476 views
Problem-Mode for Grouped Data
395 views
Range, variance and standard deviation for ungrouped data
Calculation of Standard Deviation by Short Cut Method
3227 views
Calculation of Range for Ungrouped Data
1849 views
Calculation of Range for Grouped Data
4332 views
Limitations or Drawbacks of Range
102 views
Median, Quartiles and Percentiles
548 views
11.3: Sketching a Bar Chart for a Given Set of Biological Data (
Practice Test
)
Introduction to Graph
288 views
Reading bar graph
116 views
11.4: Sketching and Construction of Bar Charts and Pie Charts with Proper Title, Labelled Axes, Legends, Axes Units (
Practice Test
)
Data Representation By Pie Diagram
1922 views
Problem-Data Representation By Pie Diagram
67 views
11.5: Experimental Designs with Control Group and Dependent, Independent and Control Variables (
Practice Test
)
Introducing Dependent and Independent Variables
10317 views
Chapter 12 Structural and Computational Biology (
8 videos
)
(
Exercises
Exercise Answers
)
12.1: Structural Biology
Structural Biology
12.2: Importance of Structural Determination of Biomolecules
Structural Biology
12.3: X-Ray Crystallography
X-Ray Crystallography and Protein Data Bank (PDB)
12.4: Online Database for Biomolecule Structures: The Protein Data Bank (PDB)
X-Ray Crystallography and Protein Data Bank (PDB)
12.5: Computational Biology
Computational and Computational Evolutionary Biology
12.6: Computational Evolutionary Biology
Computational and Computational Evolutionary Biology
12.7: Sequence Homology
Sequence and Structural Homology
12.8: Structural Homology
Sequence and Structural Homology
Chapter 13 Climate Change (
5 videos
)
13.1: Climate Change, Its Causes and Impacts on Biodiversity (
Practice Test
)
Relationship Between Human Activity And Climate
13.2: Climate Change Impacts on Ocean Ecosystem (
Practice Test
)
Global Warming
4039 views
Effect of Global Warming
1973 views
El Niño And La Niña
13.3: Species Extinction Due to Climate Change (
Practice Test
)
Conservation of Biodiversity, Endangered Species in Pakistan
4067 views
Chapter 14 Selected Topics (
5 videos
)
14.1: Biological Warfare
Biological Warfare and Types of Biological Weapons
14.2: Biodefense (
Practice Test
)
Synthetic Biology
Immunization and Vaccination
4678 views
14.3: Omics
Introduction to Omics and Its Branches
14.4: Synthetic Biology
Synthetic Biology
Chapter 15 Pharmacological Drugs (
7 videos
)
(
Exercises
Exercise Answers
)
15.1: Drug Discovery and Development Process
Drug Discovery and Development Process
15.2: Antibiotics and their Mode of Action (
Practice Test
)
Antibiotics
3092 views
Categories of Antibiotics
Mode of Action of Antibiotics
15.3: Antiviral and Antiretrovirals
Antivirals and Antiretrovirals
15.4: Advantages of Monoclonal Antibodies (
Practice Test
)
Monoclonal Antibodies
Monoclonal Antibodies in Diagnosis of Diseases
1930 views
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