Nervous System And Endocrine System

Question 1

Central nervous system

Answer 1

Brain and spine

Question 2

Peripheral nervous system

Answer 2

Connects to central nervous system to the rest of the body and is made up of sensory and motor neurons.

Question 3

Neurons

Answer 3

Nerve cells

Question 4

Nerves

Answer 4

A bundle of neurons

Question 5

Sensory nerves

Answer 5

Detects change in sense organs and sends a message to central nervous system

Question 6

Interneurons

Answer 6

Make a link between sensory and motor neurons and carries nerve impulses.

Question 7

Motor neurons

Answer 7

They cause a change in muscles and organs.

Question 8

Organelles

Answer 8

Small structure in a cell which does a special function

Question 9

Cytosol

Answer 9

The fluid in cells

Question 10

Cell membrane

Answer 10

Structure that encloses everything in the cell. (Border)

Question 11

Cell body

Answer 11

Contains the nucleus of a neuron (grey matter)

Question 12

Dendrites

Answer 12

Structure that relays information towards the body of a neuron

Question 13

Axon

Answer 13

What neurons travel along

Question 14

Myelin

Answer 14

Fatty substance that covers axon

Question 15

Synapse

Answer 15

The gap between adjoining neutrons which electrical impulses are sent

Question 16

Vesicles

Answer 16

A small cavity with fluids

Question 17

Neurotransmitter

Answer 17

Chemical released from the axon terminals into the synapse between your nerve cells

Question 18

Reflex arc

Answer 18

A small nervous pathway with a smal number of neurons, a reflex occurs when neurons travel to the brain and spinal cord and then to the effector/organ.

Question 19

Olfactory nerve:

Answer 19

nerve that sends signals to the brain from the chemoreceptors in the nose

Question 20

Cerebrum

Answer 20

The largest part of your brain which takes up the thinking aspect and decision making area of your brain. It takes up 90% of your brain.

Question 21

Cerebellum

Answer 21

Means little brain in Latin. It performs tasks such as posture, positioning, coordination. It also does language, memory. You wouldn’t be able to walk.

Question 22

Brain stem

Answer 22

Controls your heart rate and autonomous actions. This includes breathing, heart rate, blood pressure, etc.

Question 23

What does each side of the brain do?

Answer 23

Right side:
Performs logical tasks, eg mathematics.

Left side:
Creative, coordination and arts.