Question

Which human body system exchanges gases with the atmosphere to allow humans to breathe

Answer 1

The lungs and respiratory system

Step-by-step explanation:

The lungs and respiratory system allow us to breathe. They bring oxygen into our bodies (called inspiration, or inhalation) and send carbon dioxide out (called expiration, or exhalation). This exchange of oxygen and carbon dioxide is called respiration.

Answer 2

That would be the respiratory system.