Amanda Jack794152 Nervous system

The chemical that diffuses accross a synpase

• Reflex

• Neuron

• Neurostimulus

• Neurotransmittor

Nerve tissue is ...

• A bundle of different cell types working together

• A bundle of neurones working together

• A bundle of muscle fibres working together

• A bundle of neurones working against each other

CNS

• Control system

• Central nervous system

• Common nervous system

• Conflicting nervous system

Adaptations of neurones include ...(choose all correct answers)

• Branches to connect to other cells

• Long to carry messages a long way

• Insulation to stop impulse escaping

• Can generate an electrical imulse

A Reflex arc (action) is......

• Voluntary and fast

• Automatic and fast

• Automatic and slow

• Voluntary and slow

Voluntary action is processed by ..

• Brain

• Relay neurone in spinal cord

Processor for a reflex action is

• Brain

• Relay neurone in spinal cord

A stimulus is ...

• The information the receptors detects

• The information the CNS detects

• The information the effectors detects

• The information the brain detects

A

Two possible responses are could be ......... ( choose 2 answers)

• A stimus

• A gland releasing a hormone

• A musle contracting

Diffusion is ..choose 2

• A Passive process

• An active process

• Movement from high concentration to lower

• Movement from low concentration to higher