Are their any multiple answer's ?
Answer:
1.Atria push blood into the ventricles
2.Venticles push blood out of the heart.
First, boiling is the change of state from a liquid to a gas. Second, boiling of a pure substance occurs at a particular constant temperature called boiling point.
First, the change of state from a gas to a liquid is called condensation. Second, a pure substance condenses at a temperature equal to its boiling point.
Hope this helps you!
