Respiration

Question 1

Which two structures does the trachea lead to in the lungs?

Answer 1

The trachea divides into left and right airways called the bronchi

Question 2

What are the tiny air sacs in the lungs called?

Answer 2

In your lungs, the main airways (bronchi) branch off into smaller passageways. The smallest called the bronchioles, lead to tiny air sacs (alveoli).

Question 3

What happens when we exhale (breathe out)?

Answer 3

When the lungs exhale, the diaphragm relaxes. (main point) As a result, the lungs contract and air is forced out.

Question 4

What is the respiratory systems main job?

Answer 4

The respiratory system’s main job is to move fresh air into your body while removing waste gases.

Question 5

What does the bronchi do?

Answer 5

The bronchi branches off into smaller and smaller tubes which carry air to the Lungs.