Nervous System I: Intro

What two things are found in the central nervous system?

• brain/spinal cord
• spinal cord/motor neurons
• motor/sensory neurons
• only brain

Which of the TWO nervous systems contains motor and sensory neurons?

• central nervous system
• peripheral
• motor
• sensory

If I step on a nail...what type of neuron take that signal TO the CENTRAL NERVOUS SYSTEM?

• interneurons
• motor
• sensory 
• receptors

If I step on a nail...what type of neurons take the response to my muscles?

• motor
• interneurons
• sensory
• not neurons, muscle tissue sends the response

Tags

NGSS.MS-LS1-8

Peripheral nervous system consists of what structures?

• a network of nerves branching from the CNS

• spinal cord and brain

• an organ that connects the CNS and PNS

• brain and nerves

A nerve cell.

• Neuron
• Spinal cord
• Dendrite
• Brain

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3

The nerve cell that transmits impulses from the brain or spinal cord to a muscle or gland.

• Efferent Neuron

• Relay Neuron

• Afferent Neuron

• Schwann cell

The nerve cell that carries impulses from a sense receptor to the brain or spinal cord is a _____________.

• Efferent Neuron

• Afferent Neuron

• Relay Neuron

• neurotransmitter

Which type of neuroglial cells line the central canal of the spinal cord & ventricles of the brain?

• astrocytes

• oligodendrocytes

• microglia

• ependyma

What is the coating surrounding the Schwann Cell called?

• axon

• nodes of ranvier

• myelin sheath

• myelin coat