Q3. Which of the following statements are true about respiration
a. During inhalation, ribs move inward and diaphragm is raised b. In alveoli exchange of gases takes place le oxygen from blood into alveolar
air l c. Haemoglobin has greater affinity for carbon dioxide than oxygen
d. Alveoli increase the surface area for absorption of gases
i. a&d ii.b&c iii. a & civ. b & d
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Answer:
honestly all of them yes
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Answer:
soory I don't know
Explanation:
mark me as brilliant
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