Question

briefly describe how respiration takes place in human body​

Answer 1

Explanation:

Inhalation means bringing air rich in oxygen into the body. ... The third process is cellular respiration, which produces the chemical energy that the cells in the body need, and carbon dioxide. Finally, the carbon dioxide from cellular respiration is breathed out of body from the lungs.

Mark as brainlist

Answer 2

Explanation:

The function of respiratory system is to breathe in oxygen for respiration producing energy from food, and to breathe out carbon dioxide. With the help of lungs gases are exchanged between the blood and the air. Gases exchanged are oxygen and carbon dioxide. This process takes place during breathing.Breathing in: When we breathe in or inhale, two things happen at the same time:The muscles between the ribs contract causing the rib cage to move upward and outward.The diaphragm contracts and moves downward.

All these movement increases the space in the chest cavity and make it larger and air is sucked in from outside in to the lungs. As a result, the lungs filled up with air and expand.

Breathing out: When we exhale or breathe out two things happen simultaneously:The muscles between the ribs relax causing the rib cage to move downward and inward and the diaphragm relaxes and moves upward.