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Science 30 - Circulatory System Basics Flashcards | StudBud
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Science 30 - Circulatory System Basics
Science 30 - Circulatory System Basics
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Science 30 - Biology Unit (Circulation Basics)
Flashcards
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Questions
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Answers
1
Capillaries converge into this vessel before entering a vein
artery
arteriole
vein
venule
2
This part carries oxygen-poor blood from the heart to the lungs
pulmonary artery
artery
pulmonary vein
vein
3
Capillaries need to be __________ because it is responsible for __________.
thin; gas exchange
thick; gas exchange
thick; elasticity of vessels
thin; elasticity of vessels
4
Why does varicose veins usually take place in the lower legs?
presence of valves in the artery of legs
movement of blood against gravity
lack of valves in the veins of legs
legs more active than rest of body
5
Your blood pressure is 140/98. "140" refers to the...
diastolic pressure
when the ventricles are relaxed
systolic pressure
all the valves in the heart are closed
6
Comparing your circulatory system to a city's water system: sewage pipes = ?
veins
arteries
heart
blood
7
Pulmonary veins carry __________ blood __________ the heart.
oxygenated blood; towards the
deoxygenated blood; towards the
oxygenated blood; away from
deoxygenated blood; away from
8
This part carries oxygen-poor blood to the heart from the body's tissues
vena cava
pulmonary artery
pulmonary vein
aorta
9
Your blood pressure is 140/98. You are most likely suffering
hypertension
myopia
heavy blood loss
cardiac arrest
10
This part of the circulatory system has the greatest speed
artery
capillary
veins
aorta
11
This part of the circulatory system has the greatest cross-sectional area
capillary
aorta
artery
veins
12
This vessel is the pathway for oxygen-rich blood to enter capillaries
arteriole
venule
artery
vein
13
Comparing your circulatory system to a city's water system: water = ?
blood
heart
veins
arteries
14
This part carries oxygen-rich blood to the heart
vena cava
pulmonary vein
aorta
pulmonary artery
15
Comparing your circulatory system to a city's water system: water pipes = ?
arteries
veins
blood
heart
16
These vessels are so small that blood cells must pass in single file.
capillary
venule
vein
arteriole
17
This part is the body's largest artery
vena cava
aorta
venule
arteriole
18
This part carries oxygen-rich blood from the aorta to nourish heart tissues
artery
pulmonary artery
oxy artery
coronary artery
19
Large one way valves in this vessel help direct blood back to the heart
venule
capillary
arteriole
vein
20
Comparing your circulatory system to a city's water system: pump = ?
heart
blood
arteries
veins
21
Arteries always carry...
blood away from the heart
blood toward the heart
deoxygenated blood
oxygenated blood
