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garik1379 [7]
3 years ago
10

What is the order of the breathing process

Biology
1 answer:
NemiM [27]3 years ago
7 0
Step 1-
Your diaphragm moves down as it contracts. Your ribs move outward. These movements make the space inside the chest larger.
Step 2-

Air rushes in through the nose and mouth and passes through the throat. Air then moves past the epiglottis which is open into the trachea.

Step 3

Air moves into your bronchi. The bronchi branch out and end in tiny air sacs, called alveoli.

Step 4

<span>Air moves into your alveoli. Oxygen moves through the walls of alveoli and capillaries, entering the blood.</span>

Step 5

Carbon dioxide moves from the blood through the walls of capillaries and alveoli in order to be expelled by the lungs.

Step 6

Your diaphragm moves up as it relaxes. Your ribs move inward. These movements make the space inside the chest smaller.

Step 7

<span>Your lungs are squeezed and air is pushed out of the alveoli. The air travels back through your bronchi, trachea, and nose and mouth.</span>

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