Chapter 5 Functions Of The Skin

Question 1

What are the functions of the skin

Answer 1

Physics barrier 
Thermoregulayuon 
Sensation
Participation in vitamin d regulation 
Removes water and salts
Stores blood in skin vessels

Question 2

How is skin a physical barrier

Answer 2

The epidermis is made of stratified squamous epithelial tissue that have desmosomes and tight junction

This helps to keep water in body and water from penetrating the body

The desonosomes keep the Veela closely packed together and making g a sheet

Sweat is acidic and repels bacteria and fungi

Water is repels from the surface by the lipids granules creates I. The stratum

Question 3

What can go through skin

Answer 3

Lipid soluble substances go through skin and into the blood but must be lipid soluble

Question 4

What’s bad about some lipid products that can dissolve

Answer 4

They can go through skin like detergents and get into blood and in large concentration can effect the body

Question 5

How does skin thermoregulate

Answer 5

Sweat

But also

Blood vessels can dialate and allow hot blood to escape and lose heat. This is why people sometimes become red

This is called dialation

Cold - our bodies narrow the blood vessels down and constrict to push blood deeper to other organs

Question 6

How does skin make vitamin D

Answer 6

Vitamin D is a product that helps move calcium from the intestine to the blood stream for bone growth and muscle function

How does the body get the calcium from instestin? Vitamin D is a helper molecule that helps vitamin c move through the body

Sun shines on our skin and activates molecules flowing through the skin (UV). These molecules flow through our blood to our kidney which helps make vitamin D (kidney)