Answer:
To reach the lungs, air from the atmosphere follows a system of tubes and spaces called the respiratory system.
Explanation:
The respiratory system is made up of the lungs, airways, and muscles that help us breathe. The lungs are two spongy organs in the chest that take in oxygen from the air and release carbon dioxide from the blood. The airways are tubes that carry air to and from the lungs. The muscles of the chest help us to breathe in and out
