Question

In our body, respiratory pigment-haemoglobin takes up oxygen from
the air in the lungs and carry it to tissues which are deficient in
oxygen before releasing it. This is because
[ ]
A) our body size is large,
B) the diffusion pressure is not sufficient
C) Both a and b
D) We are terrestrial animals​

Answer 1

Answer:

both a and b

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Answer 2

Answer:

C) Both A and B

Explanation:

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