| Question |
 |
|
| Answer |
|
|
| arteries |
carry blood "away" from heart |
| aorta |
largest artery |
| arterioles |
smaller arteries |
| artery function |
distribute blood from heart to capillaries |
| capillaries |
microscopic vessels |
| capillaries function |
oxygen & nutrients to cells, waste products away from cells |
| veins |
carry blood "to" heart |
| vena cava |
largest veins |
| venules |
smaller veins |
| veins function |
collect blood from capillaries & return it to heart |
| tunica adventitia |
outermost & thickest layer |
| tunica media |
middle layer |
| tunica intima |
inner layer |
| blood pressure |
higher in arteries, lower in veins |
| systolic |
top # when ventricles contract |
| diastolic |
bottom # when ventricles relax |
| normal BP |
120/80 |
| pulse |
alternating stretching & relaxing of arterial walls |
| how many pulse points |
9 |
| arteriosclerosis |
hardening of arteries |
| artherosclerosis |
fatty plaque in arteries |
| hypertension |
BP over 140/90 or 120/80 |
| temporal arteritis |
inflammation of temporal arteries (eyes) |
| raynauds disease |
reduced blood flow to fingers & toes |
| aneurysm |
weakness in blood vessel |
| varicose veins |
valves of veins dont close sufficiently |
| phlebitis |
inflammation of vein |
| deep vein thrombosis |
Never Touch - deep veins of legs & abdomen |
| hemorrhoids |
varicose veins in rectum |
| embolus |
moving obstruction in bloodstream |
| occlusion |
any blockage of a vessel |
| thrombus |
stationary clot |
Science Vocab 147928
