With the help of neatly labeled diagrams explain the mechanism of gas

Question

With the help of neatly labeled diagrams explain the mechanism of gas exchange (external and internal respiration).

09 Jan 2025

Answer :

Word Count : 416

Mechanism of Gas Exchange (External and Internal Respiration)

Gas exchange is a crucial physiological process that occurs in the lungs and tissues, enabling the body to take in oxygen (O₂) and expel carbon dioxide (CO₂). This process involves two main phases: external respiration and internal respiration.

1. External Respiration:

External respiration refers to the exchange of gases between the alveoli in the lungs and the blood. It occurs in the pulmonary capillaries where oxygen diffuses from the alveoli into the blood, and carbon _______ ________ ______ _________ __________ ______ ______ _______ _______.
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