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9 terms

Skin Function

STUDY
PLAY
Skin
-also called integument
-it's pliable
-largest organ in the body
Mechanical Damage
bumps and cuts [has pressure receptors]
Chemical Damage
Acids and Bases [has relatively impermeable keratinized cells]
Bacterial Damage
phagocytes ingest foreign substances and pathogens, preventing from them penatrating into deeper body tissues
Ultraviolet Radiation
Melanin produced by melanocytes offers protection
Thermal Damage
contains heat/cold/pain
Desiccation (drying out)
contains waterproofing substances including keratin
Heat Loss
activating sweat glands and allowing blood to flush into skin capillary beds
Heat retention
by not allowing blood to flush into skin capillary beds