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