Structure of cardiovascular system Flashcards

Structure of CV system

1
Q

Describe the role of the atria

A

The atria (plural of atrium) are where the blood collects when it enters the heart.

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2
Q

Describe the role of the ventricles

A

The ventricles pump the blood out of the heart to the lungs or around the body.

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3
Q

Describe the role of the septum

A

The septum separates the right-hand and left-hand side of the heart.

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4
Q

Describe the role of the tricuspid valve

A

The tricuspid valve is located between the right atrium and right ventricle and opens due to a build-up of pressure in the right atrium.

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5
Q

Describe the role of the bicuspid valve

A

The bicuspid valve is located between the left atrium and left ventricle and likewise opens due to a build-up of pressure, this time in the left atrium.

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6
Q

Describe the role of the semilunar valves

A

The semilunar valves stop the back flow of blood into the heart. There is a semilunar valve where the aorta leaves the left ventricle and another where the pulmonary artery leaves the right ventricle.

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7
Q

Describe the role of the aorta

A

The aorta is the largest artery in the body. It carries oxygenated blood away from the left ventricle to the body.

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8
Q

Describe the role of the vena cava

A

The vena cava is the largest vein in the body. It carries deoxygenated blood from the body back to the heart.

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9
Q

Describe the role of the pulmonary artery

A

the pulmonary artery carries deoxygenated blood away from the right ventricle to the lungs.

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10
Q

Describe the role of the pulmonary vein

A

the pulmonary vein returns oxygenated blood from the lungs to the heart.

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11
Q

Describe the role of the right-hand side of the heart

A

the right-hand side of the heart is responsible for pumping deoxygenated blood to the lungs.

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12
Q

Describe the role of the left-hand side of the heart

A

the left-hand side of the heart pumps oxygenated blood around the body

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