11 organ systems Flashcards
Integumentary
Structure: Skin, Hair, Nails
Functions:
-Protection
-regulates body temp
-prevents water loss
-produces vitamin D
Skeletal
Structure: Bones and joints
Functions:
-protection and support
-allows body movement
-produces blood cells
-stores minerals and fat
Muscular
Structure: Muscles
Functions:
-produces body movement
-maintains posture
-helps maintain body temp
Nervous
Structure: brain, spinal cord, nerves
Functions:
-FAST ACTING control system
-responds to internal and external stimuli
-directs activities of other organ systems
Endocrine
Structure: glands that secrete hormones
Functions:
-SLOW ACTING control system
- growth
- reproduction
- metabolism
Cardiovascular
Structure: Heart blood vessels, blood
Functions:
- transports materials throughout the body including: gases, nutrients, waste, and hormones
Lymphatic
Structure: lymph vessels, lymph nodes, lymphatic organs
Functions:
- removes foreign substance from blood and lymph
- combats disease
- maintains tissue fluid balance
- absorbs dietary fats from digestive tract
Respiratory
Structure: air passageways, lungs
Functions:
- exchanges oxygen and CO2 between blood and air
- regulates blood pH
Digestive
Structure: mouth, esophagus, stomach, intestines, accessory organs
Functions:
- breaks down food into basic nutrients
- allows for nutrient absorption into blood
- eliminates waste
Urinary
Structure: kidneys, bladder, urinary ducts
Function:
- removes waste products from blood
- regulates blood pH
-regulates water and electrolytes (salt)
Reproductive
Structure: ovaries, uterus, vagina, mammary glands, testes, ducts, penis
Functions:
- production of sex cells and sex hormones
- supports embryo/fetus
- produces milk