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Contraction of the smooth muscle in arterioles would decrease blood pressure?
Contraction of smooth muscle in arterioles would lead to vasoconstriction, which would increase resistance to blood flow and subsequently increase blood pressure. Conversely, relaxation of smooth muscle in arterioles (vasodilation) would decrease resistance and lower blood pressure.
What type of blood flow is needed for muscle tissue?
The type of blood flow that is needed for muscle tissue is skeletal muscle blood flow. Skeletal muscle blood flow is important for both voluntary and involuntary muscles.
Which blood vessel offer most resistance to blood flow?
Arterioles generally have the highest resistance because they are so extremely small.
How does smooth muscle make blood vessels function?
Smooth muscle is mostly in the afferent branch going from the arteries to the arterioles. The body controls where blood will flow by controlling the vessel diameter. An increase in sympathetic tone constricts smooth muscle, decreases blood vessel diameter, and limits blood flow.
What are the functions of arterioles?
Arterioles are small blood vessels that carry oxygenated blood to the body tissues.
Arterioles flow into what blood vessel?
Capillaries
How do arterioles regulate blood flow into capillaries?
Sphincters
What increase blood flow through arterioles?
vasoconstriction
What are examples of arterioles?
There isnt exactly specific arterioles because every conduction system of Arteries flow from Elastic arteries -> muscular arteries -> arterioles. Arterioles are the smallest of the arteries and produce the greatest vascular resistance of blood. The blood then passes onto capillaries for gas/waste/nutrient exchange.
What Site has the greatest resistance to blood flow?
The site with the greatest resistance to blood flow is the arterioles, which are small branches of arteries. Arterioles have a high resistance due to their small diameter and ability to regulate blood flow to tissues. This resistance plays a key role in maintaining blood pressure and distributing blood throughout the body.
What blood vessel plays the most important role in the regulation of blood flow to tissues?
Aorta. It is essential to blood flow in the Heart (the most important organ in the body).
What vessel play a key role in regulating blood flow into capillaries?
arterioles
