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Biology
7 - more exchange and transport systems
The circulatory system
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Created by
Grace Findlay
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Cards (36)
What is the primary function of the circulatory system?
Transporting
blood
and nutrients
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What are the two main components of the circulatory system?
Function
and
structure
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What does the pulmonary vein carry blood from and to?
From the
lungs
to the
heart
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What does the pulmonary artery carry blood from and to?
From the
heart
to the
lungs
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What does the aorta carry blood from and to?
From the
heart
to the body
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What does the vena cava carry blood from and to?
From the
body
to the
heart
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What does the renal artery carry blood from and to?
From the body to the
kidneys
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What does the renal vein carry blood from and to?
From the
kidneys
to the
vena cava
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What is the role of blood in the circulatory system?
Transporting
gases
,
nutrients
, and
wastes
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How many circuits are there in the circulatory system?
Two
circuits
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What happens to blood in the lungs?
It gets
oxygenated
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How many times does blood go through the heart to complete one full circuit?
Twice
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What supplies blood to the heart?
The
left
and
right
coronary arteries
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What is the relationship between blood pressure and blood flow?
Blood flows from
higher
to
lower
pressure
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What is another name for the digestive tract?
The
gut
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How should you visualize a diagram of the heart?
As if the person is
standing
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What are the main types of blood vessels in the circulatory system?
Arteries
Arterioles
Veins
Capillaries
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What is tissue fluid?
Fluid that surrounds
cells
in tissues
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What happens to fluid movement at point A in a capillary bed?
Fluid moves from blood to
tissue fluid
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What does the fluid contain at point B in a capillary bed?
Waste products
and
nutrients
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Where would you find point A on a capillary bed?
At the
arteriole
end
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What is hypoalbuminemia?
Low
albumin
levels
in the
blood
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Where would you find point B on a capillary bed?
At the
venule
end
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How does hypoalbuminemia affect tissue fluid levels?
It increases tissue fluid and
swelling
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Which blood vessel carries deoxygenated blood to the lungs?
Pulmonary artery
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Name the two blood vessels that carry blood into the heart.
Vena cava
and
pulmonary veins
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Why do mammals need a circulatory system?
To transport
nutrients
and
gases
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Which blood vessel carries blood to the kidneys?
Renal artery
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Which vessels supply the heart tissue with blood?
Coronary arteries
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What is the structure of an artery?
Thick walls with
muscle
and
elastic fibers
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What is an arteriole?
A small
artery
leading to
capillaries
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Which blood vessels have valves?
Veins
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What is the function of valves in veins?
Prevent
backflow
of blood
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How are capillaries adapted for efficient diffusion?
Thin walls and large surface area
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What happens at the venule end of a capillary bed?
Fluid moves from
tissue fluid
back to blood
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What happens at the arteriole end of a capillary bed?
Fluid moves from
blood
to tissue fluid
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