Cardiovascular System Flashcards by Ryan Riesing

Q

Mediastinum

A

membranous portion between lungs

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Q

Apex

A

Pointed part of heart

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Q

Base

A

Broader side of heart

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Q

Pericardium

A

serous membrane around heart

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Q

Atria

A

Two heart chambers

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Q

Ventricles

A

Other 2 heart chambers

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Q

Interatrial septum

A

Divides heart longitudinally

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Q

Superior venae cavae

A

Brings oxygen poor blood to heart.

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Q

Inferior venae cavae

A

Assists superior venae cavae.

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Q

Pulmonary arteries

A

Carry blood to lungs.

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Q

Pulmonary veins

A

Carry blood from lungs.

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Q

Aorta

A

Sends blood from heart to body.

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Q

Atrioventricular valves

A

Prevent atria backflow.

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Q

Bicuspid valves

A

Left AV valve.

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Q

Tricuspid valves

A

Right AV valve.

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Q

Chordae tendineae

A

Heart strings, control valves.

Q

Semilunar valves

A

Second set of valves.

Q

Coronary Arteries

A

From aorta, encircles heart

Q

Cardiac Veins

A

Drains myocardium.

Q

Coronary sinus

A

Empties to right atrium.

Q

Sinotrial Node

A

Starts heartbeat.

Q

Purkinje Fibers

A

Moves lower part of heart muscles.

Q

Pacemaker

A

Device to regulate heartbeat.

Q

Systole

A

Beating of heart.

Q

Diastole

A

Relaxation of heart.