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Why do blood vessels appear blue under the skin?
Blood vessels appear blue under the skin because of the way light interacts with the skin and the blood vessels. The skin absorbs red light, while blue light is reflected back, making the blood vessels appear blue.
Which layer of the skin has blood vessels?
The layer of the skin that contains blood vessels is the dermis. Blood vessels in the dermis help nourish the skin cells and regulate body temperature.
When will the blood vessels of the skin constrict?
The blood vessels of the skin will constrict in response to cold temperatures or stress, in order to conserve heat and maintain blood pressure.
What do you have in your arm?
Bones, ligaments, tendons, muscles, fat, blood vessels and on the outside is skin. Even a thin person has a small layer of fat under the skin.
How does the dilation of blood vessels in the skin help to lower the temperature of the skin surface?
When blood vessels in the skin dilate, more blood flows to the skin's surface, allowing heat to escape from the body more easily. This process helps to lower the temperature of the skin surface.
If a person becomes too warm what does the blood vessels in the skin go through?
Constriction
When a person is overheated the skin becomes flushed and hot because?
the expanded blood vessels bring heat to the skin surface
When a person becomes overheated the skin becomes flushed and hot because?
Heat not only open pores in order for you to sweat, but opens the blood vessels in the skin so it can keep some blood away from the inner core where all the heat is.
If the blood vessels of the skin dilate the person appears?
When shock results from excessive dilation of blood vessels, the skin may be warm and flushed.
Why are blood vessels helpful in the skin?
Blood vessels are helpful to the skin because they carry oxygen and nutrients to it. Blood vessels help to keep the skin looking fresh and youthful.
What is massed blood vessels on the skin's surface called?
A hemangioma is a mass of blood vessels on the skin's surface.
What do blood vessels do in the skin?
Blood vessels carry blood from one place to another.
Your skin bleeds when you cut it but why doesn't your hair?
your skin bleeds because it has blood vessels and your hair has no blood vessels.
Why do blood vessels appear blue under the skin?
Blood vessels appear blue under the skin because of the way light interacts with the skin and the blood vessels. The skin absorbs red light, while blue light is reflected back, making the blood vessels appear blue.
When body temp rises blood vessels in the skin do what?
When body temperature rises, blood vessels in the skin dilate. This expansion allows heat to be released from the superficial vessels of the skin.
Which layer of the skin has blood vessels?
The layer of the skin that contains blood vessels is the dermis. Blood vessels in the dermis help nourish the skin cells and regulate body temperature.
Nerves and blood vessels are found in the part called?
The dermis, or lower layer of the skin, contains blood vessels and sensory nerve endings
