material of which animals or plants are made
the smallest unit of life. Often called the building blocks of life
consists of the heart, blood vessels, and the approximately 5 liters of blood that the blood vessels transport
carries deoxygenated blood away from the right ventricle of the heart
part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart.
muscular-walled tube where blood is moved from the heart to all parts of the body.
branching blood vessels that form a network between the arterioles and venules.
artery carrying blood from the right ventricle of the heart to the lungs for oxygenation.
vein carrying oxygenated blood from the lungs to the left atrium of the heart.
main artery of the body, supplying oxygenated blood to the circulatory system.
large vein carrying deoxygenated blood to the head, arms, and upper body
Carries deoxygenated blood to the lower part of the body
a blood vessel or the digestive tract, that maintains the flow of the contents in one direction by closing in response to any pressure from reverse flow.
prevent back flow of blood into the right atrium.
lets blood flow from one chamber of the heart, the left atrium, to another called the left ventricle.
valve of the heart that lies between the right ventricle and the pulmonary artery.
The valve that prevents blood from flowing back into the left ventricle.
supply, treat, charge, or enrich with oxygen.
remove oxygen from
receives deoxygenated blood from the body through the vena cava
act as a holding chamber for blood returning from the lungs
pumps the blood up through the pulmonary valve and through the pulmonary artery to the lungs.
responsible for pumping oxygenated blood to tissues all over the body.
a partition separating two chambers
the uppermost portion of lung

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The Heart


Heart Structure


The Heart


GCSE Heart


Circulatory system


Circulatory System

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