Respiration

Respiration We as humans need a precaution to gather oxygen from our enviroment to survive. In response our embody has a system that carries out respiration which is the distrubition of oxygen to the blood and the disposal of the waste product carbon dioxide. In the human sweet-breathed process the showtime step is the breath in. First we go around the emit and expand our lungs to bring in air. The head start distance the air travles into our mouths which is an opening in the human body use for taking in air, food, and the releasing of carbon dioxide this is the first station the air travles through. Then it must pass the epiglottis which is a strip down flap in the post of your mouth that closes for food and opens for air. It is use to keep food and other materials from entrance your trachea. The air accordingly passes down the trachea which is a farsighted windpipe that is line with constantly moving cilia. These cilia whip back and forth and narrow fore gin objects and keep them from entering the lungs. The air complete...If you indigence to get a full essay, order it on our website: BestEssayCheap.com

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