A(n) ________ is a simple system that works on known principles that can be used to explain a complex system.
A) model
B) analogy
C) generalization
D) prototype
E) syllogism
Question 2
Galvani's experiment showed that ________ of a frog nerve caused ________ of the attached muscle.
A) electrical stimulation; relaxation
B) electrical stimulation; contraction
C) chemical stimulation; contraction
D) pressurization; relaxation
E) chemical stimulation; relaxation