Question

human respiratory system and state the function of all parts

Answer 1

lungs is the most important of respiratory system

Answer 2

Answer:

Human Respiratory system

1)Nasal Hairs:-National passage is line by National higher these are the fine hairs that help in filtering in air passing through it and prevent and three of dust particles as it has muscles.

2)Rings of Cartilage:-it prevents the collapse of trachea during the passage of air through it.

3)Alveoli:-Alveoli are the functional unit of lungs and are the site of gas exchange,These are the balloon like structures the wall of alveoli contain extensive network of blood vessels

4)Ribcage:-it protects lungs

Explanation:

HOPE IT HELPS