What determines the color of the skin?
Melanin
Why do teenagers often experience acne?
Hormone changes that come with age.
Where are the Hair and Nails located?
The Epidermis
How many layers of skin are there?
3 layers
Derm/o
What is skin
What is the Rule of Nines?
Method of determining the percentage of the body burnt.
Why do new skin cells form?
To replace the cells that are lost and fall to the ground.
Where is the Integumentary system?
The body's outer layer
about four weeks
Cyt/o
What are ALL the organs included in the integumentary system?
SKIN, HAIR, NAILS, SEBACEOUS GLANDS, SWEAT GLANDS
Why is the Integumentary important?
It protects your body from infection and injuries.
Where are nerve endings
Dermis
How does the skin send messages to the brain?
through sense of touch traveling aloung the nerve endings
Biopsy
Removal of piece of tissue to examine under a microscope
What is keratin?
helps form hair nails and skins outer layer (epidermis)
Why does the skin sweat?
to control body temperature
Where do new skin cells form?
At the bottom of the epidermis
How does the Integumentary System protect your body?
Keeps pathogens outside
Dermatome
Instrument for cutting skin or producing thin transplants of skin
What type of tissue is the epidermis primarily composed of?
Stratified squamous epithelium
Why does your hair and nails grow faster in the summer?
Blood circulates and nutrients are able to travel faster throughout your body.
Where are sweat and oil glands located in the skin?
The Dermis layer
How does the body cool itself through the Integumentary system?
Sweating and dilating blood vessels
Squamous cell carcinoma
cancer of the epidermis layer