Sherwood- Chapter 1

Objective:   To define the study of physiology and the features that are common to all organisms and to appreciate the immense diversity of physiological processes and systems.

1.  Cellular functions
 a.  internal environment and factors that must be controlled
 b.  external environment - abiotic and biotic
 c.  extracellular and intracellular
 
2.  HOMEOSTASIS
 a.  intrinsic and extrinsic control
 b.  positive and negative feedback