Distinguish between inspiration and expiration.

अंतर स्पष्ट करें

No.	Inspiration	Expiration
i.	Atmospheric air is taken into the lungs.	Air rushes out from the lungs.
ii.	It is an active process.	It is a passive process.
iii.	Contraction of external intercostal muscles occurs.	Relaxation of external intercostal muscles occurs.
iv.	Diaphragm contracts and becomes flattened.	Diaphragm relaxes and becomes original dome shaped.
v.	Increase in volume of thoracic cavity.	Decrease in volume of thoracic cavity.

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अध्याय 8: Respiration and Circulation - Short Answer 2

अध्याय 8 Respiration and Circulation
Short Answer 2 | Q 1

Answer briefly the following:

What is the difference between breathing and respiration?

How is the process of respiration different from breathing?

Short answer question.

Why is it advantageous to breathe through the nose than through the mouth?

Distinguish between open circulation and closed circulation.

Define total lung capacity.

Give any two effects of carbon monoxide poisoning.

Define Hamburger’s phenomenon. Add a note on it.

With the help of labelled diagram explain the exchange of gases between alveolus and capillary.

Resistance in the airways is typically low. Why? Give two reasons.

Complete the table: