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Flashcards - Circulatory System Overview for the MCAT: Help and Review

Flashcards - Circulatory System Overview for the MCAT: Help and Review
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vasoconstriction
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles
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baroreceptor reflex
The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms that helps to maintain blood pressure at nearly constant levels
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veins
Veins are blood vessels that carry blood toward the heart
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pulse
"Heart rate and pulse are the same" -In medicine, a pulse represents the tactile arterial palpation of the heartbeat by trained fingertips
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inferior vena cava
The inferior vena cava is a large vein that carries deoxygenated blood from the lower and middle body into the right atrium of the heart
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aorta
The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries
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aorta
The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries
inferior vena cava
The inferior vena cava is a large vein that carries deoxygenated blood from the lower and middle body into the right atrium of the heart
pulse
"Heart rate and pulse are the same" -In medicine, a pulse represents the tactile arterial palpation of the heartbeat by trained fingertips
veins
Veins are blood vessels that carry blood toward the heart
baroreceptor reflex
The baroreflex or baroreceptor reflex is one of the body's homeostatic mechanisms that helps to maintain blood pressure at nearly constant levels
vasoconstriction
Vasoconstriction is the narrowing of the blood vessels resulting from contraction of the muscular wall of the vessels, in particular the large arteries and small arterioles
coronary sinus
The coronary sinus is a collection of veins joined together to form a large vessel that collects blood from the heart muscle
granulocytes
Granulocytes are a category of white blood cells characterized by the presence of granules in their cytoplasm
thrombocytes
Platelets, also called thrombocytes , are a component of blood whose function is to stop bleeding by clumping and clotting blood vessel injuries
Rh blood group system
The Rh blood group system is one of thirty-five current human blood group systems
ABO blood group system
The ABO blood group system is the most important blood type system in human blood transfusion
spleen
The spleen is an organ found in virtually all vertebrates

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