Question

14. Exchange of air occurs in
which are also known as 'air sacs'.
A) alveoli
B) alveolar ducts C) bronchi
D) bronchioles​

Answer 1

Answer:

Step-by-step explanation:

Exchange of gases takes place in air sacs called ALVEOLI .

Option A

Answer 2

Step-by-step explanation:

Exchange of gases takes place in air sacs called ALVEOLI .

Option A