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Body Systems 1
Gross Anatomy of the Circulatory System
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Created by
Erin Clark
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Cards (27)
What are the three types of blood circulatory systems?
Systemic
,
pulmonary
,
specialised
circulatory
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What do circulatory systems transport?
Oxygen
, nutrients,
CO
,
metabolic waste
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What do arteries do in the blood circulatory system?
Carry blood away from the
heart
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What is the function of veins?
Give blood back to the
heart
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Where does gas exchange occur in the circulatory system?
In the
capillaries
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What is the pressure condition in systemic circulation?
High pressure on
arterial
side
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What type of blood does systemic circulation transport from the heart?
Oxygen-rich
blood to body tissues
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What happens to oxygen-poor blood in systemic circulation?
Returns to the
right side
of the heart
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How can we calculate heart rate?
By taking the
pulse
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What is the pressure condition in pulmonary circulation?
Low pressure system
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What type of blood does pulmonary circulation transport from the heart?
Blood low in
oxygen
to the lungs
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What do pulmonary arteries carry?
Blood away from the heart (
oxygen-poor
)
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What do pulmonary veins carry?
Blood towards the heart (
oxygen-rich
)
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What are the components of the lymphatic system?
Lymph vessels
Lymph
Lymphatic tissues and organs
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What is interstitial fluid?
Fluid in the space between
cells
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What are the functions of the lymphatic system?
Body
defense mechanisms
and drainage of fluid
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How does fluid move from capillaries to interstitial space?
From the
arterial
end of the capillary
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What is plasma in the context of capillary fluid?
Fluid
in
the
capillary
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What pushes fluid out of the capillary?
Capillary blood pressure
(CBP)
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What pulls fluid back into the capillary?
Blood colloid osmotic pressure (
BCOP
)
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What happens to CBP and BCOP at the arterial end?
CBP
>
BCOP (filtration occurs)
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What happens at the venous end of capillaries?
BCOP > CBP (
reabsorption
occurs)
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What percentage of fluid is reabsorbed at the venous end?
Approx
85%
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What happens to the remainder of fluid not reabsorbed?
Picked up by
lymphatic capillaries
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What is lymph?
Excess fluid entering
lymphatic
capillaries
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What happens to lymph in the lymphatic system?
Returns to the
blood system
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What is the pathway of lymphatic drainage?
Lymph capillaries
Lymph vessels
Lymph trunks
Thoracic duct
/lymphatic duct
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