A Cosmic Gift â Hologram // Limited Edition of 100 âCosmic Hazeâ & 300 Black Vinyl LPs / 3D Holographic Etchings / SlyVinyl Exclusive!
1 (The nose and mouth make up the first part where air enters your body. 2  The trachea, or windpipe, is the second part and it delivers air to the lungs. 3  Your lungs are the third part where oxygen is absorbed by the blood, which brings it to the rest of the body. 4  Finally, the diaphragm is the fourth part.
Bronchi. Air enters the body through the nose or mouth and passes through the pharynx, larynx, and trachea. Just before reaching the lungs, the trachea then splits into the left and right bronchi â large, hollow tubes made of hyaline cartilage and lined with ciliated pseudostratified epithelium.