What two kinds of cells are included in the neural tissue?

neurons

neuroglia

What is a neuron?

Cells that send and receive signals

What are Neuroglia?

Cells that support and protect neurons

Neuroglia (supporting cells) come in many different kinds. What kinds would you find in the PNS?

schwann cells

Satellite cells

Neuroglia (supporting cells) come in many different kinds. What kinds would you find in the CNS?

astrocytes

oligodendrocytes

microglia

ependymal cells

What is the outer most layer of a nerve?

epinueron

What are the organs of the nervous system?

Brain

Spinal cord

Sensory receptors

nerves

What does the CNS include?

Brain

Spinal Cord

What are the functions of the CNS?

Process and coordiante

Higher functions of brain intelligence, memory, learning, and emotions come from which nervous system?

CNS

Motor commands that control activities of the peripheral organs (i.e. skeletal muscles) come from which nervous system?

CNS

Sensory information from inside and outside the body is sent to which nervous system?

CNS

What does the PNS include?

All neural tissue outside the CNS

What are the two main functions of the PNS?

Deliver sensory information to CNS

Carry motor commands to peripheral tissues and systems

What are nerves made of?

nerves are a bunch of cell axons with connective tissue and blood vessels

Can nerves carry both sensory information and motor commands?

Yes

Cranial nerves are found where?

Connected to the brain

Spinal nerves are found where?

Attached to spinal cord

What do interneurons do?

connect sensory and motor neurons

What is a postsynaptic cell?

Neuron that receives messages

What is a presynaptic cell?

Neuron that sends message