skin.ppt
DESCRIPTION
TRANSCRIPT
BODY SYSTEMS
SKIN
or
INTEGUMENTARY
TWO LAYERS• EPIDERMIS• Thin layer
• Top layer
• Melanin (located w/in)
• Epithelial T.
• DERMIS• Thick layer
• Lower layer
• Nerve, blood, hair & sweat
• Connective T.
EPITHELIALSIMPLE:
Layer- one cell thick, flat or cubed.
EPITHELIALSTRATIFIED:
Layer- two or more, mixed.
CONNECTIVE TISSUEStructure & Support. Blood, cartilage,
and bone are different & not common.
EPIDERMIS >
DERMIS >
FUNCTIONS• PROTECTION
• MAKE VITAMIN D
• SENSORY - TOUCH
• MAINTAIN TEMPERATURE
• EXPEL WASTE - SWEAT
How does the sun affect us?