Question

how does respiration take place in human body?

Answer 1

respiration takes place in human body through nose to lungs.

Answer 2

Answer:

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Here is your answer.....

We all breathe air that contains oxygen required for respiration. Respiration is both

external and internal. The taking in, and giving out, of air is called external respiration or breathing. Breathing consists

of inhalation and exhalation. Itcontinues throughout the life of an individual Taking in of air, rich in oxygen, is called inhalation. Giving out of air, rich in carbon dioxide, is called exhalation. These processes take

place with the help of the muscular

diaphragm and the rib cage.The diaphragm is a muscular partition which separates theLung Heart chest cavity from the lower

abdominal cavity. The chest cavity is surrounded by the rib cage. The lungs are located in the chestRibscavity.Human Respiratory System The number of times a person breathes per minute is termed as the "breathing rate. One breath is one inhalation plus one exhalation. An adult normally breathes from 14 to 20 times per minute, but vigorous exercise can raise the rate to up to 80 breaths per minute. A child's rate of breathing, at rest, is taster than that of an adult at rest. A new born baby has a rate of about 40 breaths per minute. In general, smaller animals have faster breathing rates thanlarger animals. For example, A rat breathes about 60 times per minute while a horse breathes only about 12 times per minute.

Explanation:

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