Ch 1 Flashcards
Define anatomy and physiology and relate them to each
other.
Anatomy is the study of structure and Physiology is the study of function
Hypothesis
Educated guess
Fact
observation that has been proven
Law
a set principle about how things work
Theory
an idea that explains facts or events
Levels of human structure from complex to simplest
-Metabolism
- Reproduction
-Growth & Development
-Regulation
-Responsiveness
-Organization
-Cells
List the characteristics/processes shared by all living things.
-Respiration
-Digestion
-Circulation
-Exertion
Homeostasis
maintaining internal stability in an organism
Homeostasis
the ability to maintain internal stability in an organism
What happens when we can’t maintain homeostasis?
Death or disease
What happens when we can’t maintain homeostasis?
Death or disease
How do we maintain homeostasis?
1.Receptor (sensor)
2.Control center (thermostat)
3.Effector (AC)
Temp outside of normal range triggers automatic response that corrects situation
Negative Feedback
Positive Feedback & + ,- effects
A stimulus that keeps pushing things further in the same direction until something stops it.
+: clotting a scab
-: rising body temperature
Caudal
Closer to tail
