Fun<wbr>ction of Skin

What is false about the skin Physical Barrier

Dendritic cells eat bacteria

This is in the dermis layer that helps create the walls for the membrane

Lipids are waterproof at skin surface

Tight Junctions prevent leakage of fluid between cells

There are many layers of Keratinocytes with hard keratin

Sweat is very acidic and repels bacteria and fungi

What is false about Skin Thermoregulates?

Cold dilates skin blood vessels, so blood stays in organs

Heat dilates blood vessels in the skin to allow for heat loss

The more narrow the vessels the more heat you can retain in the body

Expanding blood vessels is your body adjusting to temperature

What is false about Skin helping produce Vitamin D?

Kidneys use the activation of molecules to make vitamin D which flows around the body in blood

When you eat food with calcium vitamin D is used to move Ca++ (calcium) from intestine to blood

Sunlight shine through the dermis layer creating molecules to flow through the blood vessels that then go to your kidneys.

The food starts in the intestine and then is moved to the blood

Skin removes extra .......?

Bacteria and salt

Bacteria and fungi

Blood and water

Water and salt

Skin stores ......?

The dermis is a blood reservoir 7% of blood is stored here

The dermis is a blood reservoir 20% of blood is stored here

The dermis is a blood reservoir 5% of blood is stored here

The dermis is a blood reservoir 15% of blood is stored here

Function of Skin