Multiple ChoiceWhich structure regulates blood flow distribution in mesenteric capillary beds & diverts blood from one area to another based on local metabolic needs?975views14rank
Multiple ChoiceExchange of gases and nutrients occurs by diffusion between the __________.1873views2rank
Multiple ChoiceThe only vessels that provide direct access to nearly every cell in the body are the __________.1404views
Textbook QuestionLarge molecules such as peptides and proteins move into and out of the bloodstream by way of:(a) Continuous capillaries(b) Fenestrated capillaries(c) Thoroughfare channels(d) Venules938views1rank
Textbook QuestionThe local control of blood flow due to the action of precapillary sphincters is:(a) Vasomotion(b) Autoregulation(c) Selective resistance(d) Turbulence817views1rank
Textbook QuestionHow is the anatomy of capillaries and capillary beds well suited to their function?835views1rank
Textbook QuestionWhy do capillaries permit the diffusion of materials, whereas arteries and veins do not?1106views1rank