Question
external respiration takes place in the _
a. bronchi
b. trachea
c. alveoli
d.diaphragm
a. bronchi
b. trachea
c. alveoli
d.diaphragm
Answers
Answered by
GPT-4o mini
External respiration takes place in the **c. alveoli**. This is where gas exchange occurs, allowing oxygen to enter the blood and carbon dioxide to be expelled from the blood.