Nervous system

Question 1

2 types of nervous systems

Answer 1

• Central Nervous system:
  made up of the brain and spinal cord
• Peripheral Nervous System:
  the part of the nervous system that connects the brain and spinal cord (central nervous system, CNS) to the rest of the body.

Question 2

What are neurons?

Answer 2

Neurons are specialised cells that make up the nervous system.

Question 3

3 types of Neurons

Answer 3

Sensory
Motor
Iner

Question 4

Sensory Neuron

Answer 4

Sends signals to the brain from the body’s receptors.

Question 5

Motor Neurons

Answer 5

Sends impulses from the brain to muscles or glands.

Question 6

Inter Neurons

Answer 6

Connects other neuron to each.

Question 7

Parts of a neuron

Answer 7

• Receptors
• Cell Body
• Dendrites
• Axon
• Myelin Sheath
• Synaptic Knobs
• Neuron Transmitters

Question 8

Receptors

Answer 8

Detects external stimuli of the body.

Question 9

Cell Body

Answer 9

Contains nucleus & most of the cytoplasm

Question 10

Dendrites

Answer 10

brings impulses into the neuron to the cell body.

Question 11

Axon

Answer 11

carries impulses away from the cell body

Question 12

Myelin Sheath

Answer 12

Fatty tissue that covers the axon of the sensory and motor neurons.

Question 13

Synaptic Knobs

Answer 13

contains chemicals that allow transmission of the impulse to the next neuron

Question 14

Neurotransmitters

Answer 14

chemicals released from the synaptic knob from one neuron to stimulate the next.