Coordination And Response

Question 1

Describe sequence of events of a response TEMPLATE (9)

Answer 1

• receptor
• sensory neurone
• impulse
• CNS
• synapse
• relay neurone
• motor neurone
• muscle / effector
• contracts

Question 2

Hormonal system v nervous system TEMPLATE (5)

Answer 2

• Speed:
• nervous is faster
• hormonal is slower
• Where:
• nervous is through neurons
• hormonal through blood stream
• How:
• nervous is electrical / by electrical impulses
• hormonal is chemical
• Duration of Effect:
• nervous has a short(er) lasting effect
• hormonal has longer lasting effect

Location of target cells:

• nervous has target cells
• hormonal is all around the body

Question 3

Define hormone

Answer 3

• released from gland
• travels in blood…
• to target
• effect