Nervous system revision 1

Carries messages between the body and the brain:

• cerebellum
• corpus callosum
• spinal cord
• special thalamus

What type of nerve is an afferent nerve?

• A motor nerve, taking nerve impulses up to the central nervous system

• A sensory nerve, taking nerve impulses up to the central nervous system

• A motor nerve, taking nerve impulses from the central nervous system to a body part

• The type of neuron stimulated when someone gets on your nerves.

What does a receptor do?

• Detects a stimulus

• Receives a nerve impulse from a neuron

• Triggers a nerve impulse along an afferent neuron

• Stimulates a response in a muscle or gland

• Causes a nerve to become non-functional

What are the components of the central nervous system?

• Brain

• Vertebrae

• Spinal cord

• Peripheral nerves

• Lymph nodes

What is label A?

• Cell wall

• Axon

• Axon terminal

• Cell body

What is label B?

• Cell wall

• Axon

• Axon terminal

• Cell body

Tags

NGSS.MS-LS1-2

When the parasympathetic nervous system is activated, what happens to digestion?

• It is inhibited and slows down or stops

• Digestive activity is increased

• Only the large intestine is stimulated, the stomach and small intestine are inhibited

• The body enters starvation mode

What is the central nervous system (CNS) made of?

• brain and spinal cord
• brain and cranial nerves
• spinal cord and spinal nerves
• cranial nerves and spinal nerves

cause of a response. (happens 1st) Thing or event that evokes a reaction.

• stimulus

• response

maintainaining stable internal conditions

• homeostasis

• telekinesis

• alveoli

• epidermis