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What is the purpose of the cardiovascular system?

Delivers oxygen, nutrients, and hormones to various tissues of the body

Transports waste products to the appropriate waste removal system

Also called circulatory system

1

What does cardiovascular mean?

Pertaining to the heart and blood vessels

2

What is the heart?

A hollow, muscular organ that provides the power to move blood through the body

3

The heart is located in the...

Mediastinum

4

What is the pericardium?

Double walled membrane surrounding the heart

Made of fibrous and serous layers

5

What is the fibrous layer of the pericardium?

Tougher, protective layer

6

What is the parietal layer of the serous layer of the pericardium?

Outside

7

What is the visceral layer of the serous layer of the pericardium?

Touches the organ

8

What is the pericardial space?

Space between the two serous layers of the pericardium

Contains pericardial fluid

9

What is pericardial fluid?

Prevents friction between the heart and pericardium when the heart beats

10

What are the three layers of the heart?

Epicardium, myocardium, endocardium

11

What is the epicardium

External layer of heart

12

What is the myocardium

Middle layer of heart

13

What is the endocardium

Inner layer of heart

14

What are coronary vessels

Blood vessels that deliver blood to and take blood away from hearts tissues

15

What is a coronary occlusion

Blockage of coronary vessels and can lead to ischemia

16

What is ischemia

Deficiency in blood supply to an area
May lead to necrosis

17

An area of necrosis caused by ischemia is called..

Infarct

18

What is atria

Superior chambers if heart

19

Combing form for atria

Atri/o

20

What are ventricles

Inferior chambers of the heart

21

Combining form for ventricles

Ventricul/o

22

What is a septum

Separating wall

23

What does the atrioventricular septum separate

Right and left chambers of the heart

24

What is the apex

Tip of heart (pointing part)

25

What is a valve?

Membranous fold

26

Heart valves control...

Flow of blood through heart

27

Combining form for valve

Valv/o and valvul/o

28

Right AV valve is also called..

Right atrioventricular valve
Tricuspid valve

29

Left AV valve is also called

Left atrioventricular valve
Bicuspid valve
Mitral valve