Question

write about the mechanis of respiratiob in human being​

Answer 1

Answer:

Mechanism of Respiration

Mechanism of respiration involves the breathing mechanism and exchange of gases.

The gaseous exchange occurs by diffusion in the alveoli. It depends upon the pressure differences between blood and tissues, or atmospheric air and blood. The exchange of gases takes place at the surface of the alveolus.

The mechanism of breathing has already been explained above. Let us have a look at the steps involved in the exchange of gases.

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Answer 2

Answer:

Explanation:

The mechanism of breathing involves two main processes: inspiration and expiration. Inspiration occurs when the diaphragm and the external intercostal muscles contract. Expiration occurs when the diaphragm and the intercostal muscles relax.

the four mechanisms of respiration

• Breathing or Pulmonary ventilation. This is movement of air into and out of the lungs.
• Breathing or Pulmonary ventilation. This is movement of air into and out of the lungs.
• External respiration.
• Transport of Oxygen to tissue.
• Internal respiration.
• Transport of Carbon Dioxide from tissue to lungs.