2 - Cells and Control - Nervous System

Question 1

What is the role of Neurotransmitters?

Answer 1

To carry a chemical signal from one neurone to the target cell

Question 2

What is the structure/function of Sensory Neurones?

Answer 2

D: Impulses - receptor cells -> cell body
A: Impulses - cell body -> CNS

Question 3

What is the structure/function of Relay Neurones in the CNS?

Answer 3

D: Impulses - sensory neurones -> cell body
A: Impulses - cell body -> motor neurones

Question 4

What is the structure/function of Motor Neurones?

Answer 4

D: Impulses - CNS -> cell body
A: Impulses - cell body -> effector cells

Question 5

What is the structure/function of synapses in the transmission of electrical impulses?

Answer 5

They connect neurones

Question 6

What is the structure/function of the Axon?

Answer 6

Carry nerve impulses away from the cell body

Question 7

What is the structure/function of the Dendron?

Answer 7

Carry nerve impulses towards the cell body

Question 8

What is the structure/function of the Myelin Sheath?

Answer 8

Acts as an electrical insulator, speeding up the electrical impulse

Question 9

What is the structure/function of a Reflex Arc?

Answer 9

The passage of information in a reflex (receptor -> effector)

Question 10

What is the CNS?

Answer 10

Central Nervous System
Coordinates a response to a situation