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Does cocain make the blood vessels in your brain contract or expand?
Blood vessels in the brain of a cocaine user will narrow so that means the vessels contract.
Vasoconstriction means that the lumen of the blood vessels gets?
Narrow
Does oxygen dilate blood vessels?
No, oxygen does not dilate blood vessels. In fact, oxygen has a vasoconstrictive effect, which means it causes blood vessels to constrict or narrow. This helps regulate blood flow and pressure in the body.
What medication causes blood vessels to narrow?
epinepherine will constrict tiny blood vessels.
The smallest and most numerous blood vessels in the human body?
The smallest blood vessels are the capillaries.
What is angiotensin?
Angiotesin is a group of pepticides tha act as vasoconstrictor to narrow blood vesselsAn angiotensin is any of several polypeptides which narrow blood vessels and regulate arterial pressure.
Does tabbaco affect the circulatory system?
Yes, it produces nicotine that can narrow blood vessels causing high blood pressure.
What is a narrow opening between parts of a bone that allows blood vessels or nerves to pass?
Fissure
Is nicotine a vasoconstrictor?
Yes; stimulants cause vasoconstriction. Vasoconstriction is the narrowing of the blood vessels. Narrow blood vessels increase the risk of plaque build up and life-threatening cardiac events such as a blood clot.
What is vaso-contriction?
Vaso meaning blood vessels and constriction meaning narrowing. Vasoconstriction is when your blood vessels become smaller or more narrow. This applies to arteries, veins, etc. A common vasoconstricter is Visine, because it constricts the blood vessels in the eye which is why your sclera turns from red to white.
What Small blood vessels connect the arteries?
Arteries - > Arterioles -> Capillaries
Why is the BP high in obese people?
Often obese people have cholesterol deposits which narrow the blood vessels. If you restrict the blood flow, the pressure increases.
