B3 nervous system

Question 1

coordinates response to what?

Answer 1

a stimulus

Question 2

examples of stimuli

Answer 2

touching a hot pan
stepping on a sharp stone
looking at bright light

Question 3

what are neurons

Answer 3

nerve cells, send electrical impulses along the axon and to branched ends called dendrites which connect to other neurons.

Question 4

what’s the connection between two neurons called

Answer 4

synapse

Question 5

are reflex actions voluntary or involuntary

Answer 5

involuntary

Question 6

reflex arc

Answer 6

1. stimulus triggers receptor neuron
2. sensory neuron
3. relay neuron
4. CNS
5. motor neuron
6. effector
7. response