What two kinds of cells are included in the neural tissue?
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?
Neuroglia (supporting cells) come in many different kinds. What kinds would you find in the CNS?
What is the outer most layer of a nerve?
What are the organs of the nervous system?
What does the CNS include?
What are the functions of the CNS?
Process and coordiante
Higher functions of brain intelligence, memory, learning, and emotions come from which nervous system?
Motor commands that control activities of the peripheral organs (i.e. skeletal muscles) come from which nervous system?
Sensory information from inside and outside the body is sent to which nervous system?
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?
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