Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

BIO 118 > Chapter 12: Cardiovascular > Flashcards

Chapter 12: Cardiovascular Flashcards

You may prefer our related Brainscape-certified flashcards:
Biology 101 flashcards
1
Q

Closed circulatory system

A

A circulatory system in which the oxygen-carrying blood cells never leave the blood vessels, follows a path. In humans

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Open circulatory system

A

open circulatory system

A circulatory system that allows the blood to flow out of the blood vessels, doesn’t follow a path

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

arteries

A

blood vessels that carry blood away from the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

arterioles

A

smaller artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

vasoconstriction

A

decreased diameter of blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

vasodilation

A

the increased diameter of blood vessels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Veins

A

blood vessels that carry blood to the heart

not many muscles

70% of blood flowing through the body

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

veinuoles

A

small vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

myocardium

A

the thick middle layer of heart consisting of cardiac muscle

responsible for contraction of the heart chambers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Pericardium

A

double-walled sac enclosing the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

pulmonary

A

carries blood to lungs for gas exchange & back to heart

right side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Systemic

A

supplies oxygenated blood to all tissues of body & returns it to heart

left side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

passage of blood through the body

A

.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Chordae Tendineae

A

thin, strong, connective tissue

heart strings

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Systole

A

amount of pressure exerted by heart in full contraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Diastole

A

amount of pressure exerted when completely relaxed

17
Q

Lubb Dupp

A

sound of valves closing

18
Q

Pulse

A

60-80

A pressure wave that occurs with each beat of the left ventricle

19
Q

Sinoatrial Node

A

SA

the pacemaker of the heart

cluster of cells that generate electricity

20
Q

Atrioventricular Node

A

AV

a small collection of specialized cardiac muscle fibers located in the inferior part of the right atrium

picks signal from SA node

signal tells the ventricles to contract, moves it to bundle branches

21
Q

Bundle branches

A

Received electrical impulse from AV and sends it to Perkinji fibers

22
Q

Purkinje fibers

A

Receives electrical impulse

23
Q

ECG

A

electrocardiogram

24
Q

Regulation of the heart

A

intrinsic

extrinsic

25
Q

intrinsic

A

within heart

heart controlling own beat

Starlings law of the heart

26
Q

starlings law of the heart

A

the relationship between preload and stroke volume

27
Q

extrinsic

A

outside heart

nervous; sympathetic, parasympathetic, baroreceptors

horomones

28
Q

Heart disorders

A

thrombosis

infarct

atherosclerosis

angioplasty

bypass

29
Q

thrombosis

A

blood clot

30
Q

infarct

A

region of dead tissue

31
Q

atherosclerosis

A

deposits in ateries

32
Q

angioplasty

A

balloon surgery

33
Q

bypass

A

alternative route to supple

34
Q

prevention of heart disorders

A

nutrition

smoking

alcohol

stress

exercise

hypertension

35
Q

by age 70

A

cardiac output is decreased by 1/3

connective tissue is less flexible and Ca deposits form on the valves

36
Q

what are atrioventricular valves?

A

valves that control blood flow between the atria & ventricles

37
Q

what are the two atrioventricular valves?

A
  • R AV valve (aka tricuspid valve)
  • L AV valve (aka mitral or bicuspid valve)
38
Q

heartbeat

A

rate and regularity of the heart rhythm

BIO 118 (18 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions