What is the term for changes in the internal or external environment that cause a response? (1 point)

Responses

signals
signals

messages
messages

stimuli
stimuli

nerves

stimuli

How do signals from sensory neurons reach motor neurons?(1 point)

Responses

Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons
Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons

Signals from sensory neurons do not get sent to motor neurons
Signals from sensory neurons do not get sent to motor neurons

Motor neurons signal for the body to move the signal toward them
Motor neurons signal for the body to move the signal toward them

Signals move from dendrite to dendrite towards motor neurons

Through interneurons in the brain and spinal cord that connect sensory neurons and motor neurons

What part of the nervous system is completely protected by bone? (1 point)

Responses

interneurons
interneurons

peripheral nervous system
peripheral nervous system

sensory neurons
sensory neurons

central nervous system

central nervous system

You see a mosquito land on your hand and swat at it. A signal passes through many parts of different neurons to make this happen. Which component of the nervous system is the last to be involved in this process? (1 point)

Responses

dendrites in sensory neurons
dendrites in sensory neurons

axons in sensory neurons
axons in sensory neurons

dendrites in motor neurons
dendrites in motor neurons

axons in motor neurons

axons in motor neurons

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Nervous System Quick Check

1 of 51 of 5 Items
Question
What is a dendrite? (1 point)
Responses

It is a cell that sends signals to the central nervous system based on sensory input.
It is a cell that sends signals to the central nervous system based on sensory input.

It is the part of a neuron that carries information to the cell body.
It is the part of a neuron that carries information to the cell body.

It is a cell that sends signals to the body to move.
It is a cell that sends signals to the body to move.

It is the part of the neuron that carries information away from the cell body