it is the heart.... thump thump.... giggles
Muscles pump blood throughout the body by contracting and relaxing. When muscles contract, they squeeze the blood vessels, pushing blood forward. This helps to circulate blood to all parts of the body, delivering oxygen and nutrients while removing waste products.
the heart and muscles
muscles
The muscles constrict (tighten) and then relax to help pump the blood.
Potassium is an important nutrient for the muscles in the body. The heart is a muscle and potassium helps it to pump the blood that the body needs.
the heart pumps to regulate blood to the different organs of the body
the blood returns because of the preasure with in the body it cotracts to pump the blood and relaxes that's when the blood returns on the other side
The muscle of the left side of your heart is larger and thicker than the right one because the left part of your heart has to pump blood to your whole body, while the right part only has to pump blood to your lungs. More work needs bigger muscles.
Because your muscles need oxygen and oxygen is in the blood so the heart pumps bloid around the body
The heat pumps and sends the blood to different parts of the body. The heart beating looks like the pump.
The vessels that pump blood round your body are called: veins, arteries and capilaries.
The heart is the most important muscle because it has to pump blood constantly thru out the body