Please help. This is metabolism. I may give a brainliest! Please no wrong answers or spam.
Please answer these 4 questions.

The one u put for 1 is right

2 - Nothing would happen to her ability to exercise, but her digestive system would not work as hard, since glucose is already small enough to get to her cells.

3-Yes, the glucose and oxygen molecules can react together to release energy for the body to function.

4- Your cells would have molecules from air, but would not get enough molecules from food.

Olfactory epithelium i believe

Making sure the equipment is cleaned daily and insuring proper hygiene is kept up with the working staff.