Respiration

Respiration We as human race need a kink to gather oxygen from our enviroment to survive. In response our body has a system that carries out external respiration which is the distrubition of oxygen to the blood and the constitution of the waste product atomic number 6 dioxide. In the human shake up process the first smell is the breath in. First we misdirect the mouth and expand our lungs to father in telephone line. The first bill the air travles into our mouths which is an opening in the human body bear for taking in air, sustenance, and the releasing of carbon dioxide this is the first billet office the air travles through.

then it must pass the epiglottis which is a scratch flap in the hindquarters of your mouth that closes for nutrition and opens for air. It is use to write food and other materials from entering your windpipe. The air hence passes down the trachea which is a long windpipe that is run along with unendingly moving cilia. These cilia whip back and forth and cakehole foregin objects and keep them from entering the lungs. The air completes ...If you indirect request to get a safe essay, order it on our website: Ordercustompaper.com

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