Skin
What is the largest organ in the body?
The skin
What is the mail function of the Epidermis?
Protection
Where is your skin the thickest?
The soles of your feet or the palms of your hands
Melanin is produced by specialized cells called?
Melanocytes
What are the symptoms of heat exhaustion?
Heavy sweating, pale skin, muscle cramps, tiredness, weakness, dizziness, headache, fainting, nausea & vomiting
How much of your body weight does your skin take up?
About 15 percent so if you weighed 60 pounds then 9 of those pounds would be your skin alone.
What is the second layer of skin called?
Dermis
What does the Epidermal layer protect us from?
Germs and bacteria all around us trying to get in
What are freckles caused by?
Melanocytes
In addition to sweat glands what do the blood vessels in the dermis help with?
Body temperature
What makes up your Integumentary system along with your skin?
Nails, hair and sweat glands
What are some things that the Dermis contain?
Connective tissue, motor nerves, blood vessels, hair follicles, oil and sweat glands, sensory nerves for pressure, temperature and touch
What do you call the living cells in the Epidermal layer?
Epithelial cells
The most common proteins making up the connective tissue are collagen and what?
Elastin
Why does your body get rid of water and salt when you are exercising and it’s hot?
It sweats in order to cool you down
Hoe many layers does your skin have?
2
What is located just below the Dermis?
Hypodermis
What is a tough protein found in the skin, hair, nails, and scales of fish and reptiles?
Keratin
What oil glands are made up of epithelial tissue but are located down in the dermis?
Sebaceous glands
What on your body helps with temperature control?
What is the outermost layer of your skin called?
Epidermis
Where do you think your skin is the thinnest?
Your eyelids
What 2 main pigments influence the color of the skin?
Melanin & Carotene
What can happen to you if your sweat cannot evaporate easily when it’s hot outside?
You can get sick, overheat
How many hair follicles do we have all over our bodies?
Millions