10 Questions
What is the function of the microcirculation?
Transport of nutrients to the tissues and removal of waste products
Which blood vessels have the smallest internal diameters?
Capillaries
What surrounds the arteriolar ends of the blood capillaries to regulate blood flow?
Smooth muscle fibers
Which type of blood vessel has the greatest surface area for exchange?
Capillaries
What is the main function of capillaries?
Exchange of gases, nutrients, wastes, hormones, etc., between blood and interstitial fluid
What is the primary factor that regulates vasomotion?
Precapillary sphincters
Which of the following substances can diffuse rapidly through capillary walls?
Sodium
What is the main component of interstitial fluid in the interstitium?
Proteoglycan filaments
Which tissue has highly permeable capillaries for diffusion?
Intestine
What prevents the movement of fluid from the upper part of the body to the lower part due to gravity in tissues?
Tissue gel
Test your knowledge of the blood flow through small blood vessels, including arterioles, capillaries, and venules. Explore the importance of microcirculation in nutrient transport and waste removal, as well as the regulation of blood flow by individual tissues.
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