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SCIENCE GRADE 9 Q1 > circulatory system > Flashcards

circulatory system Flashcards

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1
Q

it functions with other body systems to deliver different materials in the body

A

circulatory system

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2
Q

A life support structure that nourishes cells.

A

circulatory system

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3
Q

body fluid in the circulatory system of humans and other vertebrates. It carries the materials through out the body (nutrients & oxygen)

A

blood

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4
Q

Transports gases, wastes, nutrients, hormones

A

blood

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5
Q

Prevents blood loss during injury

A

blood

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6
Q

Defense against pathogens and toxins

A

blood

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7
Q

Regulating body temperature

A

blood

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8
Q

also known as erythrocytes

A

red blood cells

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9
Q

also known as leukocytes

A

white blood cells

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10
Q

carries O2 from the lungs to the body tissues and CO2 (waste) away from the tissues and back to the lungs.

A

red blood cells

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11
Q

are responsible for protecting your body from infection

A

white blood cells

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12
Q

________ circulate in your blood and respond to injury or illness.

A

white blood cells

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13
Q

also known as thrombocytes

A

platelets

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14
Q

are small, colorless cell fragments in our blood that forms clots and stop or prevent bleeding

A

platelets

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14
Q

is the liquid component of you blood that contributes 55% of your blood’s total volume and is necessary to help your body recover from injury, distribute nutrients, remove waste and prevent infection

A

plasma

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15
Q

Contains Oxygen & Nutrients
Bright red
Found in arteries
H/L to body

A

oxygenated blood

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15
Q

Contains Carbon dioxide & Waste
Dark red
Found in veins
Body to H/L

A

deoxygenated blood

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16
Q

delivers blood to the organs and tissues in your body.

A

blood vessels

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16
Q

carry blood from the rest of the body back towards the heart

A

veins

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16
Q

carry deoxygenated (oxygen-poor) blood and return it to your heart, excluding pulmonary veins, which carry oxygenated blood from the lungs to the heart

A

veins

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16
Q

work together with other blood vessels and your heart to keep your blood moving

A

veins

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17
Q

carry blood away from the heart towards the rest of the body

A

arteries

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18
Q

carry oxygenated (oxygen-rich) blood from your heart to all of your body’s cells except pulmonary arteries, which carry deoxygenated blood to the lungs for oxygenation.

A

arteries

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19
Q

play a crucial role in distributing oxygen, nutrients and hormones throughout your body

A

arteries

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20
Q

are the smallest blood vessels that move blood to and from the cells of the body

A

capillaries

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21
Q

are so small that blood cells must move through them in single file

A

capillaries

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22
Q

walls are very thin that materials can easily diffuse into and out of them

A

capillaries

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23
Q

carry oxygen-rich blood away from your heart.

A

arteries

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24
Q

are tiny, thin blood vessels that connect veins and arteries.

A

capillaries

25
Q

carry oxygen-poor blood from your body’s tissues back to your heart.

A

veins

26
Q

how bis is your heart?

A

as big as your fist

27
Q

pups blood throughout the body

A

heart

28
Q

supplies oxygen and nutrients to tissues and removes carbon dioxide and wastes from the blood

A

heart

29
Q

helps maintain adequate blood pressure throughout the body and controls heart rate

A

heart

30
Q

receives incoming blood

A

upper chamber - atria

31
Q

pump the blood out of the heart

A

lower chamber - ventricle

32
Q

receives oxygen-poor blood from the body and pumps it to the right ventricle.

A

right atrium

33
Q

pumps the oxygen-poor blood to the lungs.

A

right ventricle

34
Q

receives oxygen-rich blood from the lungs and pumps it to the left ventricle.

A

left atrium

35
Q

pumps the oxygen-rich blood to the body.

A

left ventricle

36
Q

prevents the backward flow of blood

A

valves

37
Q

has three leaflets

A

pulmonary valve

38
Q

separates the right ventricle from the pulmonary artery

A

pulmonary valve

39
Q

Opens to allow blood to be pumped from the right ventricle to the lungs (through the pulmonary artery) where it will receive oxygen.

A

pulmonary valve

40
Q

Prevents the back flow of blood from the pulmonary artery to the right ventricle.

A

pulmonary valve

41
Q

has three leaflets or cusps

A

tricuspid

42
Q

Separates the top right chamber (right atrium) from the bottom right chamber (right ventricle).

A

tricuspid valve

43
Q

Opens to allow blood to flow from the right atrium to the right ventricle.

A

tricuspid valve

44
Q

Prevents the back flow of blood from the right ventricle to the right atrium.

A

tricuspid valve

44
Q

Has three leaflets, unless it’s abnormal from birth.

A

aortic valve

45
Q

Opens to allow blood to leave the heart from the left ventricle through the aorta and the body.

A

aortic valve

45
Q

Has two leaflets.

A

Mitral valve

45
Q

Separates the left ventricle from the aorta.

A

aortic valve

45
Q

Separates the top left chamber (left atrium) from the bottom left chamber (left ventricle).

A

Mitral valve

45
Q

Prevents the backflow of blood from the aorta to the left ventricle.

A

aortic valve

46
Q

Opens to allow blood to flow from the left atrium to the left ventricle.

A

Mitral valve

46
Q

T OR F
The valve is improperly formed and stiff.

A

false, properly formed and flexible

47
Q

large artery that carries blood throughout your body

A

Aortic valve

47
Q

Prevents the back flow of blood from the left ventricle to the left atrium.

A

Mitral valve

48
Q

connects your left ventricle and aorta

A

Aortic valve

48
Q

T OR F
The valve should close tightly so no blood leaks backwards into the chamber.

A

true

49
Q

T OR F
The valve should open all the way so the blood can pass through.

A

true

50
Q

connects your right ventricle and pulmonary arteries

A

Pulmonary valve

50
Q

arteries that carry blood to your lungs

A

Pulmonary valve

50
Q

connects your left atrium and left ventricle.

A

Mitral valve

51
Q

connects your right atrium and right ventricle

A

Tricuspid valve

52
Q

the blood vessels in the circulatory system where the exchange of gas takes place

A

capillaries

53
Q

What keeps blood from flowing backwards in the heart?

A

valves

54
Q

What is the function of the heart?

A

to pump blood around the body

55
Q

The human heart is an organ that pumps blood throughout the body supplying oxygen, nutrients, blood, and hormones to and from the tissues removing _______ and the other wastes

A

carbon dioxide

56
Q

Which of the following is not a blood vessel?
A. arteries
B. lymph vessels
C. veins
D. capillaries

A

b. lymph vessels

57
Q
A

SCIENCE GRADE 9 Q1 (10 decks)

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