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Does sympathetic stimulation cause vasodilation of which arterioles?
Sympathetic stimulation causes vasoconstriction of most arterioles in the body, except for arterioles in skeletal muscle and the heart where it causes vasodilation.
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.
How would you justify the statement The bronchioles are to the respiratory system what the arterioles are to the cardiovascular system?
Bronchioles means little bronchi and arterioles means, literally, little arteries. Since the bronchioles are in the respiratory system and the arterioles are in the cardiovascular system, this would be a fair comparison.
Due to the branching of arteries the type of arteries that would be most numerous would be .?
Arterioles
In which part of the circulatory system does the greatest pressure drop occur?
The greatest pressure drop in the circulatory system occurs in the arterioles. Arterioles are small, muscular blood vessels that regulate blood flow and control blood pressure. As blood travels from the arteries to the capillaries, the arterioles cause a significant decrease in pressure to ensure proper exchange of nutrients and waste between the blood and tissues.
What vessels have smooth muscle in their walls?
Those would be they Arteries and arterioles.
What blood vessel connects arteries to capillaries?
Arterioles.
What are cardiovascular adadptions?
incorporations of father arterioles by daughter arterioles
In fetal pigs what would happen if the ducts arterioles failed to close at birth?
The blood pressure would be unsustainable and arteriosclerosis would occur
Do arterioles have valves?
No; arteries (and arterioles) depend on smooth muscle contraction, whereas veins (and venules) have valves.
Structure and function of arterioles?
The function of arterioles is to draw blood away from the brain and into harry bush's penis.
What vessel play a key role in regulating blood flow into capillaries?
arterioles
