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Heart Structure > Heart > Flashcards

Heart Flashcards

0
Q

What are the top two chambers called?

A

Atria (singular)

Atrium (plural)

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1
Q

How many chambers are there in the heart?

A

4

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2
Q

What are the bottom two chambers called?

A

Ventricle

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3
Q

What vessels leads to the heart?

A

Veins

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4
Q

What vessels leave the heart?

A

Arteries

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5
Q

What vein enters the right atrium?

A

Vena Cava

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6
Q

What vein enters the left atrium

A

Pulmonary vein

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7
Q

What valve is between the right atrium and the right ventricle

A

Tricuspid valve

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8
Q

What valve is between the left atrium and the left ventricle

A

Bicuspid valve

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9
Q

As the blood leaves the right ventricle what valve does it travel through?

A

Pulmonary semi-lunar valve

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10
Q

As the blood leaves the left ventricle what valve does it travel through?

A

Aortic semi-lunar valve

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11
Q

What blood enters the right side of the heart?

A

Deoxygenated

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12
Q

What blood enters the left side of the heart?

A

Oxygenated

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13
Q

When the blood leaves the right side of the heart which artery does it leave via?

A

Pulmonary artery

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14
Q

When the blood leaves the left side of the heart which artery does it leave via?

A

Aorta

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15
Q

From the pulmonary artery where does the blood travel?

A

To the lungs

16
Q

From the aorta where does the blood travel?

A

Rest of the body

17
Q

What is the purpose of the valves?

A

The purpose is to ensure blood flows in one direction

18
Q

What is the middle section between the chambers called?

A

Septum

19
Q

What is the muscle in the heart called?

A

Cardiac muscle

20
Q

Why is the atria muscle thinner than ventricle muscle

A

Because the atria only pump blood to the ventricle

21
Q

Why is the left side of the heart muscle thicker than the right side?

A

Because the right side pumps blood to the lungs while the left side has to pump the blood much further - to the rest of the body

22
Q

What are the electric pulses in the heart caused by?

A

The pacemaker

Heart Structure (1 decks)

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