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Biology, 22.06.2019 02:00
The pharynx is the structure in the body that serves as a pathway of both air and food. how does the body make sure that food does not get into the lungs? the salivary glands secrete enzymes that pull food out of the air pathway. the small intestine pushes the air out of the digestive system. the pancreas breaks down food in the air pathway. the epiglottis closes the air pathway so that food will not enter it.
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Biology, 22.06.2019 08:20
Wich level of organization includes all the other levels or organizations
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Biology, 22.06.2019 08:50
What processes take place before the mature mrna exits the nucleus?
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As a result of their metabolic activities, many organisms produce harmful substances. These substanc...
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