random anatomy terms (page 9+10) unit 1

Homeostasis def

ability of the body to MAINTAIN STABLE INTERNAL CONDITIONS in an ever changing environment

Receptor purpose (2)

• detect stimuli (change)

• send MESSAGE to brain about change

Control center def and purposes (2)

• brain

• determines set points

• processes info about CHANGES and determines if a response is NEEDED

Effector def and purpose (1)

• muscles and glands

• responds to change

Positive feedback def and ex (2)

• response to change pushes the variable FURTHER AWAY from the set point

• childbirth

• clotting of blood

• rare

Negative feedback def and ex (4)

• response COUNTERACTS the change

• heart rate

• respiratory rate

• blood pressure

• blood sugar

• common

Anatomical def

• standing upright and erect

• arms dangling at sides

• palms + toes pointing forward

Why do we use exact terms in the language of anatomy (4 and def)

creates a universal language so that people caring for the same patient understand each other

• direction

• position

• regions

• structures