Question

Which best describes carbon dioxide’s path out of the body?

1. nose → pharynx → larynx → trachea → bronchus → alveoli
2. alveoli → trachea → bronchus → larynx → pharynx → nose
3. alveoli → bronchus → trachea → larynx → pharynx → nose
4. nose → larynx → pharynx → trachea → bronchus → alveoli

Answer 1

The correct answer is 3. alveoli → bronchus → trachea → larynx → pharynx → nose

Answer 2

Answer:

3:alveoli → bronchus → trachea → larynx → pharynx → nose

Explanation: