Lecture 1: The Human Body Flashcards
0
Q
Homeostasis
A
Maintenance of a constant internal environment
1
Q
Name some of the life processes
A
Metabolism Responsiveness Movement Growth Differentiation Reproduction
2
Q
Receptor
A
Detects change
3
Q
Control center
A
Receives information from the receptor, processes information and decides on a change
4
Q
Effector
A
Structure that receives information from the control center and makes the change
5
Q
Negative feedback system
A
Net effect of the response to the stimulus is to shut off original stimulus or reduce its intensity
6
Q
Positive feedback system
A
Increases original stimulus and push the variable farther from its original value (blood clotting and childbirth)
7
Q
Dorsal body cavity
A
Cranial cavity, vertebral canal
8
Q
Ventral body cavity
A
Thoracic, pleural, pericardial
