Science Quiz / Circulatory Random Facts

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Can you name the Circulatory Random Facts?

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HintAnswer
R atrioventricular valve aka
Brings in Oxygen poor coronary blood
Carry blood to heart
Indentation in wall separating L and R atria from fetus
Carry blood away from heart
Middle layer of arteries
Takes blood from digestive system to liver before putting it back in the circulation system
Branch off aorta to supply blood to heart
has iron and gives red color
Blood clotting
Important in immunity; triggered by vaccines to avoid getting diseases
most common WBC; eat and kill bacteria
Inner layer of arteries
Arteries that go to organs and organ systems
most common type of capillaries in body; tight, materials can't get out
Disorder with inability to transport O2 well
WBC that fight allergens and parasites
HintAnswer
Which has LESS smooth muscle and elastic fibers? Veins or arteries?
Least common WBC; releases histamine and stops external infection
erythrocytes
Connect veins and arteries
55% of blood; transportation
Capillaries with big gaps so blood plasma comes in direct contact with organs
Outermost layer of Arteries
Small veins
Leukocytes; protective
muscular portion of heart wall
Arteries that have a thick wall to withstand pressure
L atrioventricular valve aka
Arteries that branch within organs
Eat bacteria and dead cells
Capillaries with filtration pores
At top of R Atrium; receives info from sympathetic and parasympathetic systems; pacemaker

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