Answer:
0
Explanation:
I took this test have an amazing new year
Answer:
I think this is how it goes
1. Nose/mouth
2. Pharynx
3. Larynx
3.Trachea
4.Bronchi
5.Alveoli
6.Heart
7.Blood Vessels
Explanation: it starts out from the nose then continues down to through the lung system then the heart to the blood stream
The skeletal muscle, smooth muscle, and cardiac are controlled involuntarily.
I hope this helps :)