Chapter 1 Human body: An orientation Flashcards
Anatomy
Study of structure
Physiology
Study of function
Levels of structural Organization
atoms, cells, tissues, organs, Organ system, organisms
Integumentary
skin
Skeletal
bones
Muscular
muscles
Nervous
Brain
Endocrine
glands
Cardiovascular
heart
Lymphatic
lymph nodes, spleen
Respiratory
lungs
Digestive
stomach
Urinary
kidneys
Reproductive
produce offspring
Necessary life functions (8)
1) maintaining boundaries
2) movement
3) responsiveness
4) Digestive
5) metabolism
6) excretion
7) Reproduction
8) Growth
Homeostasis
Body’s ability to maintain stable internal conditions / equilibrium / balance
Survival Needs (5)
1) Nutrients
2) Oxygen
3) water
4) normal body temperature
5) Pressure
Receptor
Provides info of change
Control center
determines the response / what to do
Effector
Do / response
Negative feedback
Slow / stop
Positive feedback
speed up / continues