Brainscape's Knowledge GenomeTM

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


See full index

Biology 20 > Circulatory System > Flashcards

Circulatory System Flashcards

You may prefer our related Brainscape-certified flashcards:
AP® Biology flashcards Biology 101 flashcards
0
Q

Pulse

A

A change in the diameter of the arteries following heart contractions

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

Artery

A

A blood vessel that carries blood away from the heart

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

Atherosclerosis

A

A degeneration of blood vessels caused by the accumulation of fat deposits in the inner wall

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

Arteriosclerosis

A

A group of disorders that cause the blood vessels to thicken, harden, and lose their elasticity

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

Aneurysm

A

A bulge in the weakened wall of a blood vessel, usually an artery

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

Vein

A

A blood vessel that carries blood towards the heart

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

Septum

A

A wall of muscle that separates the right and left sides of the heart

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

Pulmonary Circulatory System

A

The system of blood vessels that carries deoxygenated blood to the lungs and oxygenated blood to the heart

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

Atrium

A

A thin-walled chamber of the heart that receives blood from veins

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

Ventricle

A

A muscular thick-walled chamber of the heart that delivers blood to the arteries

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

AV Valve

A

Atrioventricular valve; a heart valve that prevents the back flow of blood from a ventricle into an atrium

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

Semilunar Valve

A

A valve that prevents the back flow of blood from an artery into a ventricle

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

Aorta

A

The largest artery in the body; carries oxygenated blood to the tissues

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

Coronary Artery

A

An artery that supplies the cardiac muscle with oxygen and nutrients

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

Myogenic Muscle

A

Muscle that contracts without external nerve stimulation

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

SA Node

A

Sinoatrial node; a small mass of tissue in the right atrium that originates the impulses stimulating the heartbeat

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

AV Node

A

Atrioventricular node; a small mass of tissue in the right atrioventricular region through which impulses from the sinoatrial node are passed to the ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Purkinje Fibre

A

A nerve fibre that branches and carries electrical impulses throughout the ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Diastole

A

Relaxation (dilation) of the heart, during which the atria fill with blood

19
Q

Systole

A

Contraction of the heart, during which blood is pushed out of the heart

20
Q

Cardiac Output

A

The amount of blood pumped from the heart each minute

21
Q

Stroke Volume

A

The quantity of blood pumped with each beat of the heart

22
Q

Sphygmomanometer

A

A device used to measure blood pressure

23
Q

Lymph

A

The fluid found in lymph vessels that contains some proteins that have leaked through capillary walls

24
Q

Lymph Node

A

A mass of tissue that stores lymphocytes and removes bacteria and foreign particles from the lymph

25
Q

Lymphocyte

A

A white blood cell that produces antibodies

26
Q

Spleen

A

A lymphoid organ that acts as a reservoir for blood and a filtering site site for lymph

27
Q

Thymus

A

A lymphoid organ in which T lymphocytes mature

28
Q

Plasma

A

The fluid portion of the blood

29
Q

Erythrocyte

A

A red blood cell that contains hemoglobin and carries oxygen

30
Q

Anemia

A

The reduction in blood oxygen due to low levels of hemoglobin or poor red blood cell production

31
Q

Leukocyte

A

A white blood cell

32
Q

Platelet

A

A component of blood responsible for initiating blood clotting

33
Q

Antigen

A

A substance, usually protein, that stimulates the formation of an antibody

34
Q

Antibody

A

A protein formed with the blood that reacts with an antigen

35
Q

Agglutination

A

The clumping of blood cells caused by antigens and antibodies

36
Q

Phagocytosis

A

The process by which a white blood cell engulfs and chemically destroys a microbe

37
Q

Macrophage

A

A phagocytic white blood cells found in lymph nodes, bone marrow, and the spleen and liver

38
Q

T Cell

A

A lymphocyte, manufactured in the bone marrow an processed by the thymus gland, that identifies and attacks foreign substances

39
Q

B Cell

A

A lymphocyte, made and processed in the bone marrow, that produces antibodies

40
Q

Receptor Site

A

A port along a cell membrane into which hormones, nutrients, and other needed materials fit

41
Q

Helper T Cell

A

A T cell with receptors that bind to fragments of antigens

42
Q

Killer T Cell

A

A T cell that destroys microbes, body cells infected with viruses, and mutated cells by puncturing cell membranes

43
Q

Suppressor T Cell

A

A T cell that turns off the immune system

44
Q

Memory B Cell

A

A B cell that retains information about the shape of an antigen

Biology 20 (2 decks)

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