★ Circulation and Excretion Quiz
Why do capillary beds have such low pressure?
A. The don’t, they have very high blood pressure to force the diffusion of oxygen and nutrients into cells.
B. Fluid loss from arteries is high enought that pressure drops by the time blood reaches capillaries.
C. The total cross-section diameter of the arterial circulation increases with progression from the artery to arteriole to capillary,leading to reduced blood pressure.
Select your answer:
Topics:
Fat Deaf Blind Prokaryotic Cells and Viruses Cellular Respiration Covid-19 Enzymes and Their Functions Muscular System Cardiovascular Nursing Cell Structure and Function Anatomy - Muscle Histology/NMJ/Physiology Bacteria Axial & Appendicular Skeleton Circulatory System - Pathway of Blood Genetics Alzheimer Disease and DementiaOther quiz:
Body Defense › ViewWhat do phagocytes do?
A. make antibodies
B. act as memory cells
C. kill pathogens indiscriminately
D. target specific pathogens to kill
Pharmacology › View
T/F Over-the-counter drugs are approved for human use only by the FDA
A. TRUE
B. FALSE