7. A student thinks that the human body only works properly when cells are getting molecules from
food and molecules from air. Is the student correct?
(a
Yes, the body only works when cells get molecules from food and molecules from air.
(b
No, the body only works when cells are getting molecules from different types of food.
No, the body only works when the lungs get molecules from air, and the stomach gets
molecules from food.
d
No, the body works as long as cells are making all the molecules they need.