Nervous System Review - PLTW Lesson 2.1 and 2.2

This collects stimuli from your environment, processes it, and decides how to respond to it.

• neurons

• brain and spinal cord

• nervous system

• motor neurons

In the nervous system, your brain ...

• sends out an input signal

• interprets the input signal

• interprets the output signal

• answer not here

The peripheral nervous system DOES NOT include ...

• brain and neurons

• spinal cord and nerves

• spinal cord and brain

• neurons and nerves

A bundle of neurons is also known as ...

• stimuli

• nerves

• signals

• nervous system

The _________ is responsible for receiving the input signal and sending it to the _________________.

• sensory neuron, central nervous system

• motor neuron, peripheral nervous system

• sensory neuron, motor neuron

• answer not here

Muscles and glands receive signals from ....

• sensory neurons

• input stimuli

• motor neurons

This helps a signal pass through a neuron quickly.

• axon

• dendrite

• synapse

• answer not here

The (a)   is the gap between the branches extending from a neuron's axon that sends a signal to the next neuron.

A branch extending from a neuron that receives signals from another neuron through a synapse is/are the (a)   .

The "cell body" of a neuron can be found near the myelin sheath or nucleus.

(a)