Body Co-ordination

Question 1

Digestion

Answer 1

Allows food to break down into energy.

Stomach, pancreas, small / large intestines , oesophagus, liver , saliva glands

Question 2

Central nervous system

Answer 2

Control centre - makes decisions

Brain
Spinal chord

Question 3

Peripheral nervous system

Answer 3

All other nerves that aren’t in brain and spinal chord

Takes messages to and from CNS ( carries messages to receptors, and takes instructions to effectors)

Question 4

Stimulus

Answer 4

Deviation from normal state

Question 5

Receptor

Answer 5

Detects change e.g photoreceptors

Question 6

Effector

Answer 6

Causes response

Question 7

Homeostasis

Answer 7

The maintenance of a constant internal environment, despite change external

Question 8

Dendrites

Answer 8

Fibres that receive messages from other neurons

Question 9

Axon

Answer 9

Fibres that send messages

Question 10

Myelin sheath

Answer 10

Fatty tissue around axon that makes messages move faster along axon

Question 11

Reflex arc

Answer 11

Stimulus response pathways that are designed to work quickly

Question 12

Sensory neurons

Answer 12

Attaches to a receptor

Question 13

Motor neurons

Answer 13

Connects to muscles

Question 14

Inter neurons

Answer 14

Connects neurons together

Question 15

Metabolism

Answer 15

Converts the fuel in the food we eat into energy that is used to power everything we do