Differences between Endocrine and Nervous Systems

Question 1

Speed (Reaction Time)

Answer 1

Nervous: Fast, milliseconds for an impulse

Endocrine: Slower, depends on distance to target cell

Question 2

Duration (of responce)

Answer 2

Nervous: Very short, last only as long as stimulus occurs

Endocrine: Longer, varies between seconds to years

Question 3

Transmission

Answer 3

Nervous: Electrochemical; nerve impulse

Endocrine: Chemical through bloodstream; Hormones

Question 4

Specificity

Answer 4

Nervous: Highly specific; usually to one effector

Endocrine: More general. Varies from one target cell to all body cells