I believe the answer you're looking for is cellular respiration.
Answer:
Option A, an unconstitutional restriction of speech
Explanation:
Please see the attachment
What process occurs to in the first stage of celluar respiration?
The first stage is called glycolysis. Glycolysis is a process that uses sugar to create ATP molecules
D <span> microscopes hope it helps </span>
Answer:
Alveoli
Explanation:
The smallest branches are called bronchioles and at the end of these are your air sacs (alveoli).