Nervous System Intro

The main function of the nervous system is

• to transport materials through the body

• to exchange oxygen and carbon dioxide

• to break apart your food so you can absorb the nutrients/macromolecules in it

• to control and coordinate all the body systems

The cells of the nervous system are called...

• nuclei

• neurons

• stimuli

• lymphocytes

Tags

NGSS.MS-LS1-3

The three types of neurons are (choose all that apply)

• muscle neuron

• sensory neuron

• motor neuron

• interneuron

Which part of the neuron picks up a signal and turns it to an electric signal?

• dendrites

• cell body

• axon

• synapse

The part of the PNS that controls involuntary actions

• autonomic nervous system

• somatic nervous system

• organic nervous system

• reflexive nervous system

The part of the nervous system that consists of nerves that branch out from the CNS (central nervous system) and connect to other body parts

• Sympathetic
• Parasympathetic
• Autonomic
• Peripheral

What part of the nervous system is responsible for slowing down breathing and pulse?

• Spinal Nerves

• Sympathetic

• Parasympathetic

• Spinal Nerves

Tags

NGSS.HS-LS1-3

The "fight or flight" response during threatening situations in the role of the:

• sympathetic nervous system
• parasympathetic system
• somatic nervous system
• cerebellum

_____ neurons carry messages to the central nervous system

• Motor
• Inter
• Sensory
• Fun

_____ neurons carry  messages away from the central nervous system.

• Motor
• Inter
• Sensory
• Flower