Hi there!! Cilia are very small fine hairlike projection's/tissues, who's primary responsibilities in the airway is to make sure that it is clear. To be more specific... Cilia line the airways' trachea down. These cilia will do two things; They will trap germs and particulate matter (dust, dander, etc..), before then moving the trapped objects upward to the area where the airway meets the larynx, where you then swallow it... Additionally you can expel it eventually with a cough.
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The Adrenal Gland produces epinephrine which increases heart rate and blood pressure when the body is under stress.
Most veins carry deoxygenated blood from the body back to the heart.
<span>Film herself swimming to locate areas she can improve her technique for better performance </span>
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Physical environment refers to the inanimate things like air, water, soil, rock, etc. the biological environment is all living things big and small, plant or animal, and microbes etc.
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