Science Quiz / Circulatory Random Facts

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Can you name the Circulatory Random Facts?

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

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