Cardiovascular System Flashcards

1
Q

What is the cardiovascular system?

A

Heart, blood and blood vessels

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2
Q

Cardiovascular components

A

Heart
Blood vessels
Blood

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3
Q

What makes up the blood vessels

A

Arteries, veins and capillaries

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4
Q

Where is the heart located

A

In the mediastinum within its own cavity

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5
Q

Where is the ventral mediastinum

A

Between ribs 3-7; almost entirely surrounded by lungs

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6
Q

Cardiac notch

A

Area on the right side exposed to chest wall( no lungs surrounding)

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7
Q

Pericardial sac in cattle

A

Is in contact w/touches the diaphragm

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8
Q

Base

A

The wider part of the heart toward the top/more cranial

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9
Q

Apex

A

Pointier part of the heart towards the bottom;consists mostly of the left ventricle

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10
Q

Fibrous pericardium

A

Separated from visceral pericardium by a space

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11
Q

Visceral pericardium

A

Epicardium

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12
Q

3 layers of the heart wall

A

Epicardium-outermost layer
Myocardium-the heart muscle itself
Endocardium-inner most layer; lines the chamber walls

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13
Q

Grooves

A

Coronary groove
Interventricular groove

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14
Q

Coronary groove

A

Groove around the base of the heart to superficially separate the two atria from the two ventricles

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15
Q

Interventricular groove

A

Comes down from the coronary groove at an angle to superficially separate the two ventricles

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16
Q

Red blood vessels

A

Blood is well oxygenated;arterial

17
Q

Blue blood vessels

A

Blood is not well oxygenated; venous

18
Q

Cranial and caudal vena cava

A

Responsible for bringing venous blood FROM the body TO the right atrium

19
Q

Pulmonary arteries

A

Responsible for bringing blood FROM the right ventricle TO the lungs. This artery starts as one “trunk” and splits in two

20
Q

Pulmonary veins

A

Responsible for bringing blood FROM the lungs TO the left atrium

21
Q

Aorta

A

Responsible for bringing blood FROM the left ventricle TO the rest of the body( not lungs)

22
Q

Heart chambers

A

R side-deals w/deoxygenated blood
L side- deals w/oxygenated blood

23
Q

Right atrium

A

Main chamber
Auricle
Blood flow: cranial/caudal vena cava

24
Q

Right ventricle

A

Blood flows from RA to RV; RV recieves the deoxygenated blood and pumps it into the pulmonary artery for the blood to become oxygenated in the lungs

25
Q

Left atrium

A

Freshly oxygenated blood comes from the lungs into the left atrium via pulmonary veins

26
Q

Left Ventricle

A

Bloood flows from LA to LV and then on to the aorta; then goes to the body

27
Q

Coronary circulations

A

Blood flow to the heart not through
Coronary arteries
Interventricular coronary veins
Coronary sinus

28
Q

Coronary sinus

A

Opening through which venous blood from IVV can flow into the RA

29
Q

Septum’s

A

Walls that separate chambers of the heart

30
Q

Interatrail septum

A

Septum between 2 atria

31
Q

Interventricular septum

A

Septum between 2 ventricles

32
Q

Valves

A

Aid the flow of blood in the correct direction by opening and closing