it just happens OK?
The pumping of the heart keeps the blood moving
The heart pumps blood round the body to keep us alive.
The heart is a four chambered muscular organ tasked with pumping blood round the body.
The heart is a four chambered muscle, whose sole task is to keep us alive by pumping blood round our bodies.
The heart in human is a four chambered pump, whose sole task is to pump blood round the body. If the heart stops pumping, we will die.
As with all mammal hearts, when needed (exertion, danger) the heart will beat faster, pumping more oxygen enriched blood round the body and muscles.
your heart beats faster because when you do exercise you get out off breath so you breath in more oxygen, as you breath faster your heart rate will rise to pump blood around the body, by your heart pumping blood round the body you are getting more oxygen in your body.
What you feel in your wrist is a pulse. The pulse is caused by the heart pumping blood round your body.
The heart is a round, tight muscular organ that is responsible for pumping blood throughout the body. It is located in the chest and is vital for maintaining circulation and delivering oxygen and nutrients to the body's tissues and organs.
A "round and tight organ" typically refers to the heart, which is a muscular organ responsible for pumping blood throughout the body. Its rounded shape and strong, tightly contracting muscles enable it to efficiently circulate blood, delivering oxygen and nutrients to tissues while removing waste products. The heart's structure is crucial for maintaining proper blood flow and overall cardiovascular health.
Keeps your blood pumping round your body, and never takes a break from it.Blood is good because it carries oxygen and chemicals around your body and delivers it to different parts.Heart is really useful;]The purpose of the heart is to pump blood around the different parts of the body.To pump blood around the body via veins (into the heart) and arteries (out of the heart). The heart oxidises (fills it with oxygen) the blood. The blood's purpose is to deliver oxygen and warmth.
The blood forms in a round circle around the heart and then it goes into cells.