Respiratory system are responsible for gas exchange between the blood keeps the atmosphere. When we breath Air from the outside of the body through the anal mucus Rouge on both sides to follow the nose cavity. Feather and tissue in the nose will help filter dust contamination with air. Air conditioning, temperature and humidity will be to fit the body and then passed from the throat into the trachea. Mucous membrane bronchi and feather soft to catchment and fan waving a small dust mixed with air, pass into the lungs. The air enters the lungs and air sacs into the tiny capillary that surrounds the gas oxygen in the air. Normally in the air are off 20 percent, but Jane-the air we breathe contains oxygen, 13 per cent are spread through the air sacs walls into a capillary. Best gas car Bon dioxide from blood, it will spread through the capillary walls into the airbags. When we breathe out gas, car Bon dioxide, it is driven out of the body.
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