The respiratory system is composed of many elements. which of the following accurately describes the relationship between the lungs, the trachea, and the alveoli?
a
they work together to allow gas exchange.
b
they work together to transport blood.
c
they work together to excrete waste.
d
they work together to obtain and deliver nutrients.
Answers: 1
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The respiratory system is composed of many elements. which of the following accurately describes the...
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