Question

question 5 of 10
the ____ is a group of organs used for breathing in oxygen and getting rid of carbon dioxide
a. respiratory system
b. urinary system
c. immune system
d. endocrine system

Explanation:

The respiratory system is responsible for gas - exchange, taking in oxygen and expelling carbon dioxide. The urinary system deals with waste - liquid removal, the immune system defends against pathogens, and the endocrine system regulates body functions through hormones.

Answer:

A. respiratory system