Please enable JavaScript.
Coggle requires JavaScript to display documents.
BIO201:Chapter 01 - Coggle Diagram
BIO201:Chapter 01
Definitions
Metabolism
chemical processes that occur within a living thing to maintain life
Growth
increase in body size
Differentiation
unspecializes cells become specialized in structure and function
Reproduction
formation of new organisms from parents
Define
Disease: recognizable set of signs and symptoms
Disorder: abnormality of structure or function
Sign: an objective change that can be observed and measured.
Rash and fever
Homeostasis
state of internal conditions maintained by all living things
maintenence of blood pressure
Stimulus
An external stimulus is a stimulus that comes from outside an organism and causes a reaction
An internal stimulus is a stimulus that comes from inside an organism
Feedback Loop
Negative feedback system= reversal of original stimulus
Blood sugar
Positive feedback system= enhances original stimulus
contractions in childbirth
Components of feedback system
sensor (receptor): monitors physiological value
Control center: compares the value to the normal range
Effector: causes a change to reverse the situation and return the value to the normal range.