Nervous Tissue

Question 1

Name the stages of the reflex arc

Answer 1

1. receptors sense a stimulus
2. sensory neurones transmit an action potential
3. The signal moves across a synapse
4. to a relay neurone in the CNS
5. The signal moves across another synapse
6. To a motor neurone
7. To an effector which brings about the response

Question 2

What are nervous tissue made up of?

Answer 2

nerves

Question 3

What are nerves made up of?

Answer 3

neurones

Question 4

What to neurones transmit?

Answer 4

action potentials around the body

Question 5

What is an electrocardiogram?

Answer 5

a graph which measures the electrical activity in neurones

Question 6

What are the different parts of ECG?

Answer 6

P - atria contracting

QRS complex - ventricles contracting

T wave - atria + ventricles relaxing