Year 9 Ch 7-2

Define the term PNS

• palpable nervous system

• periferal neuron system

• periferal nervous set

• periferal nervous system

What are neurons?

• Nerve cells

• Nervous people

• Nose cells

• Neutrons

What is the cerebellum?

• it is in the brain

• the part of the brain responsible for coordination and balance

• the front of the brain

• the part of the brain responsible for digestion

What are the 2 parts of the CNS?

• the Brain and Nerves

• the Brain and spinal cord

• the spinal cord and nerves

• the nerves and the myelin sheath

What type of activities does the right side of the brain control?

• thinking and analysis

• maths and science

• creativity and emotions

• writing and reading

Why is it essential to have reflexes?

• A reflex action will protect your body in times of danger

• Reflex actions save time when performing a task

• Reflexes help us digest food

• reflexes are neccessary to move

What is the term for a blockage of an artery or a rupture of an artery in the brain leading to brain damage?

• CVA

• CBA

• BCA

• ABC

What is the disease that attacks the myelin sheath of the nerve cell

• myelin nerve disease

• motor nerve disease

• massive neuron disease

• Motor neuron disease

Explain how the structure of dendrites suits their function?

• They are long and narrow to transmit the impulse quickly

• The are hollow and insulate the axon

• Depending on the type of neuron, they may connect to muscle fibres or they mayhave sensory receptors on the end

• They are finely branched, so can be in contact with many nerve cells

Neurons are able to respond to _______ (such as touch, sound, light, and so on), conduct impulses, and communicate with each other (and with other types of cells like muscle cells). The nucleus of a neuron is located in the cell body.