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Human Anatomy and physiology > Cardiovascular System > Flashcards

Cardiovascular System Flashcards

1
Q

Mediastinum

A

The middle cavity of the thorax.

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2
Q

Apex

A

The bottom “tip” of the heart.

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3
Q

Base

A

The middle of the heart where the large blood vessels originate from.

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4
Q

Pericardium

A

The sac-like structure that wraps around the heart.

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5
Q

Atria

A

The two top cavities of the heart.

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6
Q

Ventricles

A

The two lower cavities of the heart.

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7
Q

Interatrial septum

A

It is the membrane that divide the heart longitudinally.

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8
Q

Superior Venae Cavae

A

The large vein that takes in oxygen-poor blood superior of the heart.

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9
Q

Inferior Venae Cavae

A

The large vein that takes in oxygen-poor blood inferior to the heart.

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10
Q

Pulmonary Arteries

A

The two largest arteries that carry blood to the lungs to be supplied with oxygen.

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11
Q

Pulmonary Veins

A

Four large veins that carry the oxygenated blood back into the heart.

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12
Q

Aorta

A

The largest artery in the body supplies all the outer arteries with blood.

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13
Q

Atrioventricular valves

A

Located between the atrial and ventricular chambers and prevent backflow into the Atria.

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14
Q

Bicuspid valves

A

Has two flaps preventing backflow.

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15
Q

Tricuspid valves

A

Has three flaps preventing backflow.

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16
Q

Chordae Tendineae

A

Anchor the flaps to the walls of the ventricles.

17
Q

Semilunar valves

A

Guard the bases of the two larges arteries leaving the ventricular chambers.

18
Q

Coronary arteries

A

Branch of from the aorta and encircles the heart.

19
Q

Cardiac veins

A

The myocardium drains into these to be resupplied with oxygen.

20
Q

Coronary Sinus

A

The cardiac veins drain into this which drains into the right atrium.

21
Q

Sinoatrial Node

A

It reguates the heartbeat and is called the pacemaker.

22
Q

Purkinje Fibers

A

Spread within the muscles of the ventricle walls.

23
Q

Pacemaker

A

The SA node regulates heartbeat.

24
Q

Systole

A

The contraction of the heart.

25
Q

Diastole

A

The relaxation of the heart.

Human Anatomy and physiology (4 decks)

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