Question

Which best describes the respiratory system?
The respiratory system allows for gas exchange, water and heat balance, and creation of sound and speech.
The respiratory system allows for gas exchange, heat balance, and secretion of hormones.
The respiratory system allows for water and heat balance, prevention of disease, and creation of sound and speech.
The respiratory system allows for water balance, muscular support, and passage for ingesting food.

Answer 1

@langenstroer

Answer 2

B?

Answer 3

It is not the last one because ingesting food is not it. It is not C because it is not the pathway to ingest food. It is not B because the respiratory system does not secrete hormones. It is A because the air flow in the vocal cords allows us to speak and make sounds as well as the other items listed for A