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How is oxygen carried from the lungs to the tissues?
1.It binds to a protein called hemoglobin in red blood cells.
2.It is carried by cilia through the bronchioles.
3.It leaves the bronchi and enters capillaries.
4.It leaves the alveoli and enters mucus.
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Classify the structures as homologous or analogous, depending on their structure and function.
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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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How is oxygen carried from the lungs to the tissues?
1.It binds to a protein called hemoglobin in r...
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