Anwer the following:How hard the blood pushes on the inside of the blood vessels is called __________.The total amount of blood
the heart pumps in one minute is called __________.When blood vessels open wider during exercise, they are said to __________.How many times your heart beats in one minute is called __________.The force that can put unhealthy tension on the heart as it is pumping is called __________.The amount of blood the heart pumps out in one beat is called __________.