Coordination and response

Question 1

Explain what is meant by the term involuntary action [2]

Answer 1

response to stimulus
without thought

Question 2

Explain the advantages of coordinating the response to a dangerous situation using both the nervous system and the endocrine systemm [4]

Answer 2

nervous system responds quickly
impulses travel to specific effectors
effeccts of hormones are long lasting
hormones allow multiple organs to respond
less energy required than to have nerves going to every tissue
stimulate both voluntary and involuntary responses
more effective response

Question 3

Explain how negative feedback is involved in the control of body temp [3]

Answer 3

change in temp detected
to keep temp near set point
corrective action by body
return to normal temp
homeostasis

Question 4

Name another hormone other than insulin and glucagon that affects conc of glucose in blood [1]

Answer 4

adrenaline