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Muscles that constrict or dilate to control blood flow are called?
Wiki User
∙ 13y ago
There are three types of muscle-skeletal, smooth, and cardiac. The muscle type that constricts and dialtes to control blood flow is the smooth muscle(involuntary).
Wiki User
∙ 13y ago
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What is it called when a person's pupils no longer dilate from the light?
Pupils don't dilate from light, the constrict. They dilate in the dark, to take in more light, and constrict in the light so your eyes don't get damaged. Hallucinogenics, stimulants and alcohol and make your pupils dilate and opiates and diazepam can make them constrict. Im not sure what that's called though..
What is the opposite of constrict?
dilate
Can fear cause pupils to constrict?
It causes them to dilate not constrict.
What vessels cant constrict and dilate?
Capillaries
Why does the veins constrict and dilate during exercise?
Almost all the veins and arteries constrict and dilate during heavy exercise. Even capillaries bring a flush to the face and skin by dilation.
Does adrenaline constrict pupils of the eyes?
dilates them
Why do narcotics make pupils constrict?
They don't, narcotics make your pupils dilate.
How do capillaries help control the amount of heat lost from the body?
They dilate at the surface of the skin to release heat into the atmosphere, and they can also constrict to reduce heat loss through the skin.
Which type of bronchioles don't have cartilage?
Bronchioles don't have cartilage because they need to be able to constrict and dilate
What happens to both pupils when light enters?
Pupils "constrict" when light enters, and "dilate "when the lighting dims
What does it mean when your muscles dilate?
During exercise your muscles need more energy from respiration in order to contract. So your heart beats faster and the arteries supplying the muscles dilate (widen)
High osmolarity or high Na plus and Cl- in the ascending loop of Henle will cause afferent arterioles to dilate or constrict by releasing?
Constrict by releasing a vasoconstrictor chemical, usually ATP
