Chapter 1 Flashcards
Body temperature rises, decreases body temperature
Negative feedback
Blood clotting
Example of positive feedback
Increasing force in labor
Example of Positive feedback
System that responds rapidly, resulting in short term changes to maintain homeostasis
Nervous system
Produces effects that last for days or longer to maintain homeostasis
Endocrine system
When a person is laying down, the anatomical position in _______ when facing up
_____ when face down
Supine
Prone
Divides body Left and right
Sagittal Plane
Cross section of body tissue
Transverse
Existence of a stable internal environment
Homeostatsis
Homeostatic regulation involves a receptor, a _______, and an effector
Control center
Homeostasis are activated in response to
Stimulus
When the mechanisms that control homeostasis begin to fall, our organ systems malfunction. We become sick
True or False
Occurs when a variation outside of normal limits triggers an automatic response that corrects the situation
Negative feedback
Initial stimulus produces a response that reinforces the stimulus
Positive feedback
Levels of organization from smallest to largest
Chemical, cellular, tissue, organ, organ system, organism