Integumentary System

Question 1

The Functions of the skin are:
Protects the body- how does the skin do this?
Maintains body temperature- how does the skin do this?
Removal of waste- how does the skin do this?
Obtain information from the environment- how does the skin do this?
Produces VITAMIN D- how does VITAMIN D help the body?

Answer 1

Protects- The organs
Temperature- Retains heat or perspires 
Waste- Sweat, tears, oil
Environment- If it is to hot you sweat to keep your body cool.
VITAMIN D- Helps digest calcium

Question 2

What is the outer layer of the skin called? What type of cells make up this layer? Describe the nerves and blood vessels that are in this layer.

Answer 2

Epidermis
Dead skin cells
There are no nerves or blood cells

Question 3

What is the next layer of the skin called? What type of cells make up this layer? Describe the nerves and blood vessels that are in this layer?

Answer 3

Dermis
Leukocytes
Rich in blood cells

Question 4

What is MELANIN and where is it produced?

Answer 4

Melanin is a pigment in the skin found in most animals.

Produced in the skin

Question 5

This layer contains sweat glands, how does sweating help regulate your body temperature.

Answer 5

It helps cool you down when you are over heating.

Question 6

Hair also grows from this layer, from what structures does it grow?

Answer 6

Hair follicle