I feel like it would be amount of water, because basically every living being needs water.
Answer:
The more you keep your hygiene up the more people want to be around you
a carefully developed plan
Alveoli small balloon-like structures which are responsible for the oxygen exchange in the lungs across the membranes. These are attached to the branches of the bronchial passages. These alveoli inflate and deflate with inhalation and exhalation. Answer is C.
