A group of organs would be an organ system so perhaps B
Answer:
because it has something at checks it and allows it to pass
Explanation:
Answer:True
Explanation:
The complex molecules are broken down by the digestive system. If the molecules were not to be broken down they would block the system
Answer:
Membrane bound organelles ( Mitochondria, lysosome, Nucleus,..)
Answer:
It would remain at 100%
Explanation:
The whole won't change-
just the percentages of the separate pieces of diet would change
