Question

The respiratory system is composed of many elements. Which of the following accurately describes the relationship between the lungs, the trachea, and the alveoli?
A
They work together to allow gas exchange.

B
They work together to transport blood.

C
They work together to excrete waste.

D
They work together to obtain and deliver nutrients.

Answer 1

Answer:

A is the correct answer.

Explanation:

The respiratory system is a group or organs and tissues that help the body breathe. In other words, its main task is to remove wasting gases and replace them with new and fresh air. In other words, these organs and tissues work together to allow gas exchange.

Answer 2

Answer:

a.they work together to allow gas exchange

Explanation:

the trachea helps transport air to the lungs, the lungs fill with air, finally the alveoli convert the oxygen to the bloodstream