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Biology
6. Life Process
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Q20 of 79 Page 48

Choose the correct statement that describes arteries.

Arteries have thick elastic walls without valves inside, blood flows under high pressure and carry blood away from the heart to different parts of the body.

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18

Single circulation i.e., blood flows through the heart only once during one cycle of passage through the body, is exhibited by

19

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

21

The filtration units of kidneys are called

22

Oxygen liberated during photosynthesis comes from

Questions · 79
6. Life Process
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