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Flashcards in The Heart Deck (19)
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0
Q

Endocardium

A

The inside layer of the heart wall

1
Q

Pericardium

A

Doubled wall sac surrounding the heart

2
Q

Venea cava (superior & inferior)

A

Large veins returning blood from the body regions to the heart

3
Q

Atrium (L & R)

A

Two superior chambers of the heart

4
Q

Pulmonary arteries

A

Vessels from the right ventricle leading to the lungs with deoxygenated blood

5
Q

Ventricles (R & L)

A

The two inferior chambers of the heart, most of the volume

6
Q

Aorta

A

Largest artery where blood is ejected into the body

7
Q

Valve

A

Cups or flaps that prevents the blood from flowing back

8
Q

Sinotrial node (SA)

A

The heart pacemaker

9
Q

Pacemaker

A

The SA node , determines heart rate

10
Q

Atrioventricular node (AV)

A

Specialized mass of conducting cells located in the inferior portion of the right atria

11
Q

Heart sounds

A

The sounds associated with the closing of the heart valves

12
Q

Systemic circulation

A

The blood vessels that carry the blood supply to and from all body tissue

13
Q

Pulmonary circulation

A

Blood vessels that Carry blood to and to and from the lungs

14
Q

Pulse

A

Rhythmic expansion and recoil of arteries resulting from heart contraction

15
Q

Blood flow

A

The volume of blood flowing through a vessel, an organ, or entire circulation in a given period

16
Q

Blood pressure

A

The force per unit area exerted on a vessel by the contained blood

17
Q

Blood Viscosity

A

The internal resistance to flow that exists in all fluids and is related to thickness or stickiness

18
Q

Resistance

A

The opposition to flow