Question

hiiii guys ,
question;-

Q1- Name the substance which is oxidised in body during respiration.

Q2- why lungs are divided into small sac like structure.
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Answer 1

1) Glucose is oxidized during respiration .

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2) The lungs are divided into small sac like structures in order to increase the surface area for exchange of gases and more rapid absorption of air .

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hope it helps you....

Answer 2

1. Name the substance which is oxidised in body during respiration.

A. Glucose

2.Why lungs are divided into small sac like structure.

A. Lungs are divided into sacs to increase the surface area and to easily transport oxygen to the blood vessels.

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