Chapter21 BloodVessels andCirculation BloodPressureand Cardiovascularregulation Exercise arteries arterioles capillaries venules veins carrybloodawayfromheart thickerwalls(smoothmuscle) branchandgetnarrower bifurcation(tri-,rami-) smallestvessels innetworks(beds) exchangewithECF carrybloodbacktoheart thinnerwalls sm...
【医学课件】BloodVesselsandCirculation BloodVessels •Arteries(a=awayfromheart)arteriolescapillariesvenulesveins(toheart)•Arteriesbranchrepeatedly,decreaseindiameter•Arteriolessmallestbranchesofarteries;deliverbloodto capillaries•Capillariessmallest,thinnestvessels –Siteofallchemicalandgaseousexchangebetweenblood...
s 2. Capillaries One cell thick Billions present Large surface area for nutrient exchange Three Types of Blood Vessels 3. Veins Take blood to heart Usually deoxygenated Converge Venules Tunics – Layers of Blood Vessels Tunica intima Endothelium Lines vessels Tunica media Smooth muscle/elastic tissue...
Blood vessels and circulationAmerican Heart Journal
Once the blood has supplied most of its oxygen content to the body, it picks up carbon dioxide and returns it to the placenta via the umbilical arteries. This diagram illustrates fetal circulation, depicting the key blood vessels and organs involved...
blood vessel, avesselin the human or animal body in whichbloodcirculates. The vessels that carry blood away from theheartare calledarteries, and their very small branches arearterioles. Very small branches that collect the blood from the various organs and parts are calledvenules, and they unit...
For the blood flow problem, the blood, the blood vessels, the tissues surrounding the blood vessels, the geometry of the vascular system, and the driving forces are considered. Blood circulation is the most popular subject in ... YC Fung - 《Advances in Applied Mechanics》 被引量: 17发表:...
Exercise 21 Blood Vessels & Circulation Portland Community College BI 232 Blood vessels Arteries transport blood away from the heart. Deliver blood to capillary beds where gas and nutrient exchange occurs. Veins transport blood toward the heart. 2 ...
This article deals with blood vessels, types of blood vessels, and how they are involved with the distribution of blood from the heart to the different parts of the body and back to the heart.
Circulatory system - Heart, Blood Vessels, Oxygen: All vertebrates have circulatory systems based on a common plan, and so vertebrate systems show much less variety than do those of invertebrates. Although it is impossible to trace the evolution of the c