Answer:
they must eat. food=energy
Explanation:
Answer:
The three specialized systems routes are the coronary circulation, which brings blood to the myocardium; the portal circulation, which takes blood from the organs of digestion to the liver through the portal vein and the fetal circulation in which the fetus obtains oxygen and nutrients from the Mother's blood.
Explanation:
I majored in Health
General Duty Clause, hope this answer helps!
