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6. Life Process
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Q21 of 79 Page 48

The filtration units of kidneys are called

The functional unit of human excretory system is nephrons. Urine formation takes place in nephrons of kidneys.

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19

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?

20

Choose the correct statement that describes arteries.

22

Oxygen liberated during photosynthesis comes from

23

The blood leaving the tissues becomes richer in

Questions · 79
6. Life Process
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