Answer:
because the blood in the heart gets what's left of oxygenated blood first. first come first serve concept. the heart cells survive longer because they have oxygenated blood longer and more frequently. if the person is not breathing the oxygen in the blood might run out by transferring to cardiovascular cells before it gets to the brain.
Explanation:
They have different research so they have to come together and calculate together.
So they aren't broken quickly, and we aren't jelly, bones help us stay strong and upright
