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

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

______ is formed when carbon monoxide combines with haemoglobin.

During inspiration, the inter-costal muscles ____________.

Blood contains C0₂ in the form of ____________.

The impulse for voluntary muscles for forced breathing starts in ____________.

Assertion: During inhalation, the diaphragm goes downward.
Reason: The volume of the thoracic cavity decreases.

Mark the true statement among the following with reference to normal breathing.

What is Dead Space?

In Hamburger’s phenomenon, ______.

Complete the table: