General
What can sunscreen protect you from?
Harmful rays\sometimes cancer
The ___ is the protective layer of skin.
Epidermis
how long should adults sleep?
Seven+ hours
The three layers of skin?
Epidermis
Dermis
Hypo-dermis
What does the dermis do?
Hold nerves, glands, and blood vessels.
What do sweat glands v.s oil glands cause?
sweat glands- cool body
oil glands- soften skin
The main skin functions.
Protection
Temperature Regulation
Sensation
What causes skin cancer.
Damage from UV radiation.
Hypo-Dermis is made of...
fat
Connective tissue
What is a "micro-nap"?
brief, seconds-long naps.
Nails are made of ___.
Keratin
The integumentary system is
Skin
Hair
Nails
What could have health deffects from lack of sleep?
The:
Brain
Immune system
Heart