Diaphram
Air can enter the body by the mouth or the nose. Air then goes down the windpipe to the lungs where it can enter the bloodstream.
To oxygenise the body.
Fresh oxygen/fresh air helps the body to repair itself.
lungs
Oxygen enters the bloodstream through the alveoli in the lungs. When you breathe, oxygen from the air diffuses across the thin walls of the alveoli into the surrounding capillaries, where it binds to hemoglobin in red blood cells for transport throughout the body.
Two air passages which allow air to enter the body are the cilia and aveoli !!!
Oxygen flows into your blood when you breath April:)
To allow the air to enter the body. The air can enter through either the nose or through the mouth.
To allow the air to enter the body. The air can enter through either the nose or through the mouth.
Air is sucked into the lungs through the nostrils of the nose or mouth.
Spiracles
Pollution enters the system by respiration. When you breathe in your body uses the oxygen in the "air". But when pollution is in the "air", your body takes that in and enters the Ovules of the lung and enter your blood stream.