What type of cells start electrical impulses along nerves?
Receptor
Effector
Motor neurones
What part of a nerve cell insulates the electrical signal?
Axon
Myelin sheath
Dendron
What is the gap between nerve cells called?
Neurotransmitter
Synapse
What neurones carry signals to effectors?
Motor
Relay
Sensory
Where do electrical signals not go in a reflex arc?
The spinal cord
The brain
The peripheral nerves
What effect do stimulants like caffeine have on your reaction times?
No effect
Increase them
Shorten them
What part of the brain controls balance and coordination of movement?
Cerebellum
Medulla
Hypothalamus
What neurones carry signals from receptors?
What affect do depressants like alcohol have on your reaction times?
Speed them up
Slow them down
What type of receptors are found on your tongue?
Chemical
Light
Sound