| Hint | Answer |
|---|
| most common type of capillaries in body; tight, materials can't get out | |
| Middle layer of arteries | |
| Indentation in wall separating L and R atria from fetus | |
| Brings in Oxygen poor coronary blood | |
| Arteries that have a thick wall to withstand pressure | |
| Outermost layer of Arteries | |
| Important in immunity; triggered by vaccines to avoid getting diseases | |
| Branch off aorta to supply blood to heart | |
| At top of R Atrium; receives info from sympathetic and parasympathetic systems; pacemaker | |
| Takes blood from digestive system to liver before putting it back in the circulation system | |
| Which has LESS smooth muscle and elastic fibers? Veins or arteries? | |
| muscular portion of heart wall | |
| Capillaries with filtration pores | |
| 55% of blood; transportation | |
| Blood clotting | |
| Arteries that go to organs and organ systems | |
| has iron and gives red color | |
Periodic Table
Planets from the Sun
Digits of Pi
