Nervous system

The brain stem is the biggest part of the brain?

• True

• False

Answer explanation

The Cerebrum is the biggest part of the brain.

Which part of the peripheral nervous system is controlled by you?

• Automatic

• Somatic

• Conscious

Answer explanation

Somatic = controlled by you when you think about it

Autonomic = controlled by your brain without you thinking about it

The Sympathetic nervous system prepares the body for the fight or flight response?

• True

• False

Answer explanation

The sympathetic nervous system prepares the body for the “fight or flight” response during any potential danger.

Which image shows a neurone?

• 
• 
• 

What are the 3 types of neurones?

• Senses, Muscles and Brain

• Sensory, Motor and Relay

• Reflex, Synapse and Track

Answer explanation

What is the function of the Peripheral Nervous System (PNS)?

• Carry messages to the CNS

• Process and relay information

• To support our subconscious

Answer explanation

The PNS in carrying messages via sensory neurones to the CNS

The CNS in processing and conveying messages via motor neurons to effector organs (organs that contract or secrete in response)

What is a synapse?

• A electrical current passed through a neurone

• A junction where one neurone can chemically signal to another neurone.

Answer explanation

The neurone sending the chemical signal is referred to as the presynaptic neurone and the neurone receiving the chemical signal is referred to as the postsynaptic neurone.

What image shows a synapse?

• 
• 
• 

A reflex arc is a conscious reaction?

• True

• False

Answer explanation

A reflex action is an automatic (involuntary) and rapid response to a stimulus, which minimises any damage to the body from potentially harmful conditions, such as touching something hot.

What system does the nervous system work with?

• Musculoskeletal

• Cardiovascular

• Respiratory

• All systems

Answer explanation

The Nervous system plays an important role in all systems.