Which of the following is the first step in respiration?
2 answers:
The main function of the respiratory system is breathing, a process that is also referred to as respiration. This
process allows the body to bring in <u>oxygen</u> and expel (get rid of) carbon dioxide. During respiration, oxygen travels
through the bloodstream and carbon dioxide is carried away.
Oxygen is taken into the lungs.
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Answer:
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Explanation:
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