Answer:
Your circulatory system delivers oxygen-rich blood to your bones.
Meanwhile, your bones are busy making new blood cells.
Working together, these systems maintain internal stability and balance, otherwise known as homeostasis.
Explanation:Brainliest plz
The umbilical cords carries nutrients that are entered into mothers bloodstream to the fetus.
Explanation:
it is very important to stay healthy in today's world because if take a good look at this dieses that we see people suffer from its really sad and there is so much different compare to back days those people they made sure that they eat healthy foods that what made them live long
