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SCIENCE GRADE 9 Q1 > circulatory system > Flashcards

circulatory system Flashcards

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
are the smallest blood vessels that move blood to and from the cells of the body
capillaries
21
are so small that blood cells must move through them in single file
capillaries
22
walls are very thin that materials can easily diffuse into and out of them
capillaries
23
carry oxygen-rich blood away from your heart.
arteries
24
are tiny, thin blood vessels that connect veins and arteries.
capillaries
25
carry oxygen-poor blood from your body’s tissues back to your heart.
veins
26
how bis is your heart?
as big as your fist
27
pups blood throughout the body
heart
28
supplies oxygen and nutrients to tissues and removes carbon dioxide and wastes from the blood
heart
29
helps maintain adequate blood pressure throughout the body and controls heart rate
heart
30
receives incoming blood
upper chamber - atria
31
pump the blood out of the heart
lower chamber - ventricle
32
receives oxygen-poor blood from the body and pumps it to the right ventricle.
right atrium
33
pumps the oxygen-poor blood to the lungs.
right ventricle
34
receives oxygen-rich blood from the lungs and pumps it to the left ventricle.
left atrium
35
pumps the oxygen-rich blood to the body.
left ventricle
36
prevents the backward flow of blood
valves
37
has three leaflets
pulmonary valve
38
separates the right ventricle from the pulmonary artery
pulmonary valve
39
Opens to allow blood to be pumped from the right ventricle to the lungs (through the pulmonary artery) where it will receive oxygen.
pulmonary valve
40
Prevents the back flow of blood from the pulmonary artery to the right ventricle.
pulmonary valve
41
has three leaflets or cusps
tricuspid
42
Separates the top right chamber (right atrium) from the bottom right chamber (right ventricle).
tricuspid valve
43
Opens to allow blood to flow from the right atrium to the right ventricle.
tricuspid valve
44
Prevents the back flow of blood from the right ventricle to the right atrium.
tricuspid valve
44
Has three leaflets, unless it's abnormal from birth.
aortic valve
45
Opens to allow blood to leave the heart from the left ventricle through the aorta and the body.
aortic valve
45
Has two leaflets.
Mitral valve
45
Separates the left ventricle from the aorta.
aortic valve
45
Separates the top left chamber (left atrium) from the bottom left chamber (left ventricle).
Mitral valve
45
Prevents the backflow of blood from the aorta to the left ventricle.
aortic valve
46
Opens to allow blood to flow from the left atrium to the left ventricle.
Mitral valve
46
T OR F The valve is improperly formed and stiff.
false, properly formed and flexible
47
large artery that carries blood throughout your body
Aortic valve
47
Prevents the back flow of blood from the left ventricle to the left atrium.
Mitral valve
48
connects your left ventricle and aorta
Aortic valve
48
T OR F The valve should close tightly so no blood leaks backwards into the chamber.
true
49
T OR F The valve should open all the way so the blood can pass through.
true
50
connects your right ventricle and pulmonary arteries
Pulmonary valve
50
arteries that carry blood to your lungs
Pulmonary valve
50
connects your left atrium and left ventricle.
Mitral valve
51
connects your right atrium and right ventricle
Tricuspid valve
52
the blood vessels in the circulatory system where the exchange of gas takes place
capillaries
53
What keeps blood from flowing backwards in the heart?
valves
54
What is the function of the heart?
to pump blood around the body
55
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
carbon dioxide
56
Which of the following is not a blood vessel? A. arteries B. lymph vessels C. veins D. capillaries
b. lymph vessels
57

SCIENCE GRADE 9 Q1 (10 decks)

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