Same chapter3 marksDifficulty: Medium
Explain why a person of blood group O is called a universal donor.
Circulatory System
3 marksDifficulty: Medium
What is the function of the lymphatic system?
Original Khojo Papers practice question — not from a past board paper.
Answer
The lymphatic system drains the tissue fluid that leaks from the blood capillaries and returns it to the blood, so that the tissues do not swell. It absorbs digested fats from the intestine through the lacteals, and its lymph nodes filter out bacteria and produce lymphocytes.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Lymph flows in one direction only, towards the heart.
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Name the components of blood and state one function of each.
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