HESI A2 Practice Questions with Correct Answers

1) Which of the following describes the primary function of the respiratory system?

A) to create sound and speech

B) to take oxygen into the body while removing carbon dioxide

C) to transport nutrients to the cells and tissue of the body

D) to act as a barrier between the body's organs and outside influences - Answer-to take

oxygen into the body while removing carbon dioxide

2) Which of the following is the first step of the scientific me...
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