Question

.Which of the following statement(s) is(are) true about respiration?

A)During inhalation,ribs move inward and the diaphragm is raised

B)In the alveoli, exchange of gases takes placei.e., oxygen from alveolar air diffuses into blood

and carbondioxide from blood into alveolar air sacs

C)Haemoglobin has greater affinity for carbondioxide than oxygen Alveoli does not help in

increasing surface area for exchange of gases

D)None​

Answer 1

both b and c

Explanation:

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Answer 2

both B and C

Explanation:

this ia correct answer