Biology | Class 12

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    Chapter 1 Digestive System of Man (20 videos) (Exercises Exercise Answers)

      1.1: Oral Cavity (Practice Test)
      1.2: Swallowing and Peristalsis (Practice Test)
      1.4: Role of the Nervous System and Gastrin Hormone on the Secretion of Gastric Juice
      1.9: Storage and Metabolic Role of Liver
      1.10: Composition and Role of Bile (Practice Test)
      Liver
    1. Liver
      6945 views
      1.11: Structure and Function of Pancreas
      1.12: Relation of Secretion of Bile and Pancreatic Juice With the Secretion of Hormone

    Chapter 2 Blood Circulatory System of Man (45 videos) (Exercises Exercise Answers)

      2.2: Structure of Walls of Heart (Practice Test)
      2.3: Flow of Blood Through Heart (Practice Test)
      2.4: Phases of Heartbeat (Practice Test)
      2.5: Conducting System of the Heart (Practice Test)
      2.6: Electrocardiogram
      2.7: Blood Vessels (Practice Test)
      2.8: Role of Arterioles in Vaso-Constriction and Vasodilation (Practice Test)
      Arterioles
    1. Arterioles
      1549 views
      2.9: Role of Pre-Capillary Sphincters (Practice Test)
      2.10: Path of Blood Through the Pulmonary and Systemic Circulation (Practice Test)
      2.11: Rate of Blood Flow in Blood Vessels (Practice Test)
      2.13: Baroreceptors and Volume Receptors (Practice Test)
      2.14: Cardiovascular Disorders (Practice Test)
      Thrombosis
    1. Thrombosis
      3615 views
      2.16: Stages of Cardiovascular Disease Development (Practice Test)
      2.17: Diagnosis of Cardiovascular Disorders (Practice Test)
      2.18: Hypertension and Hypotension (Practice Test)
      2.19: Intercellular Fluid and Lymph (Practice Test)

    Chapter 4 Urinary System of Man (15 videos) (Exercises Exercise Answers)

      4.4: Functions of Kidney (Practice Test)

    Chapter 5 Nervous System of Man (34 videos) (Exercises Exercise Answers)

      5.1: Receptors are Transducers (Practice Test)
      5.2: Path of a Message Transmitted to the Central Nervous System (Practice Test)
      Neuron Types
    1. Neuron Types
      10302 views
      5.4: Reflex Arc (Practice Test)
      Reflex Action
    1. Reflex Action
      10745 views
      5.9: Pain Medicines Reduce or Numb Pain in Human Body
      5.10: Disorders of the Nervous System (Practice Test)

    Chapter 6 Endocrine System of Man (12 videos) (Exercises Exercise Answers)

      6.3: Neurosecretory Role of Hypothalamus
      6.4: Feedback Mechanism (Practice Test)

    Chapter 7 Skeletal System of Man (33 videos) (Exercises Exercise Answers)

      7.1: Human Skeleton (Practice Test)
      Bones
    1. Bones
      10019 views
    2. Cartilages
    3. Cartilages
      6653 views
      7.3: Joints (Practice Test)
      7.4: Disorders of Skeleton (Practice Test)
      7.5: Bone Fractures (Practice Test)
      7.6: Injuries to Joints
      7.9: Muscle Contraction-Sliding Filament Model (Practice Test)
      7.11: Muscle Disorders (Practice Test)

    Chapter 10 Biotechnology (24 videos) (Exercises Exercise Answers)

      10.2: Molecular Scissors (Restriction Endonuclease) (Practice Test)
      10.5: Polymerase Chain Reaction (PCR) (Practice Test)
      10.6: Genetically Modified Organisms (GMOs) (Practice Test)
      10.8: Comparison of Vertical Food Farms with General Agricultural Practices in Pakistan

    Chapter 11 Biostatistics and Data Handling (27 videos) (Exercises Exercise Answers)

      11.1: Biostatistics and its Uses
      11.3: Sketching a Bar Chart for a Given Set of Biological Data (Practice Test)
      11.4: Sketching and Construction of Bar Charts and Pie Charts with Proper Title, Labelled Axes, Legends, Axes Units (Practice Test)
      11.5: Experimental Designs with Control Group and Dependent, Independent and Control Variables (Practice Test)

    Chapter 12 Structural and Computational Biology (8 videos) (Exercises Exercise Answers)

      12.1: Structural Biology
      12.2: Importance of Structural Determination of Biomolecules
      12.4: Online Database for Biomolecule Structures: The Protein Data Bank (PDB)
      12.6: Computational Evolutionary Biology
      12.8: Structural Homology

    Chapter 13 Climate Change (5 videos)

      13.1: Climate Change, Its Causes and Impacts on Biodiversity (Practice Test)
      13.2: Climate Change Impacts on Ocean Ecosystem (Practice Test)
      13.3: Species Extinction Due to Climate Change (Practice Test)

    Chapter 14 Selected Topics (5 videos)

      14.4: Synthetic Biology

    Chapter 15 Pharmacological Drugs (7 videos) (Exercises Exercise Answers)

      15.1: Drug Discovery and Development Process
      15.3: Antiviral and Antiretrovirals