Question

PLEASE HELP ME EMERGENCY PLEASE HELP!! IF YOU ARE NOT 100% SURE ABOUT YOUR ANSWER DO NOT ANSWER THEN PLEASE!!

Which of the below best describes the function of the respiratory system?



To circulate nutrients and gases throughout the body.

To bring oxygen into the body and to remove carbon dioxide from the body.

To break down food to glucose molecules that the cells can use.


(This is 7th grade science)

Answer 1

B: to bring oxygen into the body

Answer 2

To bring oxygen into the body and to remove carbon dioxide from the body.

Step-by-step explanation: