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Human Physiology Flashcards

6 cards from real NEET practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. Which enzyme in saliva begins the digestion of starch?

    Answer: Salivary amylase (Ptyalin)

    Salivary amylase (ptyalin) in saliva begins breaking down starch into maltose in the mouth, initiating carbohydrate digestion.

  2. What is the role of the epiglottis in the human body?

    Answer: Prevent food from entering the trachea

    The epiglottis is a flap of cartilage that closes over the trachea during swallowing to prevent food and liquid from entering the airways.

  3. Which hormone is responsible for regulating blood glucose levels by lowering them?

    Answer: Insulin

    Insulin, secreted by beta cells of the pancreatic islets of Langerhans, facilitates glucose uptake by cells, lowering blood glucose levels.

  4. What is the process of gas exchange between blood and body cells called?

    Answer: Internal (tissue) respiration

    Internal (tissue) respiration refers to the exchange of O2 and CO2 between the blood capillaries and body cells at the tissue level.

  5. Which vessels carry blood away from the heart?

    Answer: Arteries

    Arteries carry oxygenated blood away from the heart to tissues (except the pulmonary artery, which carries deoxygenated blood to lungs).

  6. Which gland is often called the 'master gland' of the endocrine system?

    Answer: Pituitary gland

    The pituitary gland is called the master gland because it secretes hormones that regulate other endocrine glands throughout the body.

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  1. cdnbbsr.s3waas.gov.in — Fees, exam format, time limit · verified Nov 2026