Anatomy quiz 2 Flashcards
Organ
structure composed of different tissue in close proximity that share a common function
organ system
a group of organs and structures that share a common
Skin
-largest organ
three layers
-epidermis
-dermis
-subcutaneous fascia
erpidermis
surface layer
- no blood vessels
-constantly shedding
-flat. epithealial dead cells
STRATUM CORNEUM
layer of dead cells
dermis
layer below or inferior to the epidermis
contains
-capillaries
-collagenous/ elastic fibers
-involuntary muscles
-nerve ending
-lymph vessels
-hair follicles
-sebaceous glands
Two types of sudoriferous, or sweat glands
- Apocrine
- ecocrine
Apocrine
groin, anal region, and armpits
-becomes active around puberty, sexual attractions
ecocrine
palms, feet, forehead, and upper lip
-important in the regulation of temperature
sebaceous glands
secrete oil
- keeps skin from drying out
Subcutaneous fascia
inner most layer of skin
-also called hypodermis
-composed of elastic and fibrous connective tissue and fatty tissue
skeletal system
protects and support body organs
-provides framework the muscle use for movement
-blood cells are formed within bones
-store minerals
bones
primary component of skeletal system
-composed of non-living minerals (calcium. silica, and phosphorus) and living cells
-constantly building and repairing themselves
long bones
larger than they are wide
short bones
equal in width and length