Question

a) Read the following statements :
A) Mammalian lungs are solid and spongy
B) In embryo state breathing rate and residual air are absent C) Residual volume is expelled only by force full expiration D) Partial pressure of oxygen in expired air is more than in inspired air How many statements are correct ?
(1). 3. (2). 4
(3). 2. (4). 1

b) Which are the correct ones?

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Answer 1

Explanation:

2)4 STATEMENTS ARE CORRECT

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Answer 2

Answer:

(2)4 may be answers for this question