Nervous Tissue

Question 1

Reflect arc - Smelly, rectum, smelly, smelly, rectum, smelly, men, eat, rectum

Answer 1

S - Stimulus
R - Receptor
S - Sensory neurone
S - Synapse
R - Relay neurone
S - Synapse
M - Motor neuron
E - Effector
R - Response

Question 2

What happens when a quick reaction is needed and action potentials are sent down the reflex arc?

Answer 2

1. Receptors sense a stimulus
2. Sensory neurones transmit an action potential
3. The signals moves across a synapse
4. To a relay neuron in the central nervous system
5. To a motor neuron
6. To an effector which brings about the response