Question

State four characteristics features associated with respiratory structures

Answer 1

Answer:

1. Diaphragm and external inter-coastal muscle performs inspiration by contracting them.

2. Expiration takes place by relaxation of diaphragm and external inter-coastal muscle.

3. Alveoli performs gaseous exchange through diffusion.

4. Ribs, sternum and vertebral column maintains the volume of thoracic cavity in dorso-ventral position.

5. Clavicle and diaphragm maintains the volume of thoracic cage in anterio-posterior axis.

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