Question

Explain the process of gaseous exchange in our body

Answer 1

Answer:

Explanation;   Respiration involves taking in oxygen and release of carbon dioxide by the process of breathing.

The taken oxygen is the utilised to oxidise chemical energy stored in the food to released energy in the form of ATP along with carbon dioxide and water. Respiration involves exchange of gases i.e. oxygen with carbon dioxide.

Respiration in human beings takes place through a special system called as respiratory system.This involves nostrils, nasal cavity, larynx, bronchi, bronchioles ending in alveoli

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Answer 2

Answer:

During gas exchange oxygen moves from the lungs to the bloodstream. At the same time carbon dioxide passes from the blood to the lungs. This happens in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.