intEGUMENTARY SYSTEM dude

functions!

protects from the invasion of pathogens

helps keep the body from drying out

act as storage for fatty tissue

produces vit d

provides sensory input

regulates body temperature

THE 3 LAYERS OF SKIN EPIDERMIS,DERMIS AND SUBCUTANEOUS FASCIA

EPIDERMIS-HAVE 5 OR 6 SMALL LAYERS,NO BLOOD VESSELS,REPLACEMENT FOR DEAD SKIN CELLS(2 TO 4 WEEKS)

DERMIS-INFERIOR TO THE EPIDERMIS,HAS DENSE CONNECTIVE TISSUE TRUE SKIN

SUBCUTANEOUS FASCIA-HYPO DERMIS,HAS LIPOCYTES,INNER MOST LAYER

MUSCULAR SYSTEM DUDE!!!

i learned that there are distinct types of muscles

skeletal muscles,cardiac muscles and smooth muscles

agonists-primary movers,the muscles that cause the primary movement

point of origin-the muscles that attached to the stationary bone

point of insertion-muscle end that is attached to the moving bone