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2/4/2020

Know Your Heart Anatomy

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Know Your Heart Anatomy

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Heart Anatomy
Understanding how your heart functions and contributes to your entire body can go a long way in helping you appreciate the hardest-working muscle in your body.

Your heart is made up of:

4 Chambers

​The two upper chambers (the atria) receive and collect blood. The two lower chambers (the ventricles) pump blood to other parts of your body.

4 Valves

​The aortic, pulmonary, mitral and tricuspid valves are designed to allow the forward flow of blood and prevent the backward flow. Blood passes through a valve before leaving each chamber of the heart.
What are valves anyway?
Valves are actually flaps (leaflets). They either act as one-way inlets for blood coming into a ventricle or one-way outlets for blood leaving a ventricle. As the heart muscle contracts and relaxes, the valves open and shut, letting blood flow through.

Blood Vessels

​These bring blood to the lungs, where oxygen enters the bloodstream, and then to the body.

An Electrical System

This serves as a natural pacemaker and stimulates contraction of the heart muscle.
How does the heart work?
In short, it has a big job. “Your cardiovascular system — made up of the heart and blood vessels — is responsible for circulating blood throughout your body to supply your tissues with oxygen and nutrients.
“Your heart is the muscle that pumps your blood through the blood vessels to the body tissues. A network of arteries and veins also carries blood throughout the body.

Quick facts about your heart

  • At an average rate of 80 times per minute, the heart beats about 115,000 times in one day.
  • Located almost in the centre of the chest, the adult human heart is about the size of a fist.
  • The heart pumps about 2,000 gallons of blood daily
Get smart about your heart and read more blogs and compete quiz on heart health

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