Nerves

Question 1

Autonomic nervous system

Answer 1

System controlling involuntary actions such as heart beat

Question 2

Brain stem

Answer 2

Part of the brain that controls vital functions such as breathing

Question 3

Catalyst

Answer 3

Substance that speeds up the rate of reaction without being used up in the process

Question 4

CNS

Answer 4

The brain and spinal cord

Question 5

Dentrite

Answer 5

Branch from the cell body that receive messages from other neuron

Question 6

Effector

Answer 6

A muscle or gland that puts the message into effect

Question 7

Endocrine gland

Answer 7

Glands that produce hormones

Question 8

Hypothalamus

Answer 8

A potion of the brain that constantly checks the internal environment of the body

Question 9

Receptors

Answer 9

Organelles that are at the site of cellular respiration

Question 10

Neurotransmitters

Answer 10

A chemical message released by the axon when the signal reaches the end of a neuron

Question 11

PNS

Answer 11

The nerves that carry messages to and from the central nervous system and other parts of the body

Question 12

Ribosomes

Answer 12

Structure where proteins are manufactured

Question 13

Synapse

Answer 13

The space between neurons

Question 14

Motor neurone

Answer 14

Carry messages from the CNS to the effectors

Question 15

Connector neurones

Answer 15

Transmit messages between neurons in the CNS

Question 16

Sensory neurons

Answer 16

Have specialised receptors, which are sensitive to stimuli such as heat and light. They carry messages to the brain and spinal cord from cells in the sense organs.