Question

Differentiate between

bronchi and alveoli.

Answer 1

Bronchi

1. The two branching tubes of the trachea is called bronchi.
2. There are two bronchi
3. The walls of bronchi are not richly supplied with blood capillaries.

Alveoli

1. The outgrowths of microscopic air sacs are called alveoli.
2. There are millions of alveolar sacs.
3. The walls of the bronchioles are richly supplied with blood capillaries.