Answer: So they can fertilize the egg.
Explanation:
Cardiovascular is probably your answer
Cardio- the heart
Vascular- vessels
Circulatory- blood
Digestions finishes in the small intestine. If small intestine is removed from the body, the digestion would be incomplete. All the nutrients from food would not be absorbed into blood. Organism will be in short of energy. hoped this helped
The answer is A, high blood pressure
