Ms. Susan ChabotHAP

• Anatomy: structure of body parts; also called morphology.

• Physiology: function of body parts; what they do and how they do it.

• Can we study anatomy without studying physiology?

• Can we study physiology without studying anatomy?

• Cyt-: • Hist-:• Cardi-:• Toxic-:• Dermat-:• Embry-:• Path-:• Neonat-:

•Movement•Responsiveness•Growth•Reproduction•Respiration•Digestion

•Absorption•Circulation•Assimilation•Excretion•Metabolism

NEEDSWaterFoodsOxygenHeatPressure

*Qualities and quantities are very important.

HOMEOSTASISKeeping a constant internal environment.

1. Receptors gather info.2. Control Center decides what to do.3. Effectors create a response.

Body Temperature control is an example of a Homeostatic Mechanism.•A normal body temperature is 98.6* F or 37* C.•When your temperature is too hot or too cold, your body responds to bring it within a normal range.

Negative Feedback Positive Feedback

•Reverses the original stimuli•MOST normal body processes•If its HIGH, it becomes LOW•If its LOW, it becomes HIGH

•Enhances the original stimuli•USUALLY associated with disease or pain•If its HIGH, it goes HIGHER.•If its LOW, it goes LOWER