Question

what is respiration. points lo sis​

Answer 1

Answer:

Respiration:

• By respiratory system we usually mean the passages that transport air to lungs and to the microscopic air sacs in them, Called Alveoli.

• The term respiration refers to the whole chain of procceses from the inhalation of air to use of oxygen in the cells

• Air passes from the nostrils to nasal cavity to pharynx, larynx, trachea and bronchi, bronchiolus to Alveoli and blood and back through the same route.

More information:

• In respiration, during inhalation the volume of chest cavity is increased as the diaphragm contracts and dome flattens out.

• During exhalation the chest cavity is lowered and moved inward

• Pharynx is the common passage for food and air.

• Malpighi introduced the term respiration.

Answer 2

Explanation:

In physiology, respiration is the movement of oxygen from the outside environment to the cells within tissues, and the removal of carbon dioxide in the opposite direction. ... In contrast, exhalation (breathing out) is usually a passive process.

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