Answer:
I do not understand. Is this a song?
Explanation:
Give nutrients and protein which helps you to get energy and strengh
Answer:
carbon dioxide, 16.4% of oxygen, and 4.4% of carbon dioxide, nasal cavities (or oral cavity) > pharynx > trachea > primary bronchi (right & left) > secondary bronchi > tertiary bronchi > bronchioles > alveoli,
Explanation: