Nervous System

Stimulus

• A nerve cell with a unique structure for receiving and passing on information

• The animal’s reaction to the stimulus

• A signal that causes an animal to react in some way

Tags

NGSS.MS-LS1-8

Response

• a nerve cell with a unique structure for receiving and passing on information

• the animal’s reaction to the stimulus

• a signal that causes an animal to react in some way

Tags

NGSS.MS-LS1-8

Neuron

• a nerve cell with a unique structure for receiving and passing on information

• a signal that causes an animal to react in some way

• found in the brain and spinal cord and allow sensory and motor neurons to communicate

Tags

NGSS.MS-LS1-8

NGSS.MS-LS1-2

Sensory Neurons

• the animal’s reaction to the stimulus

• nerve cells that detect stimuli

• nerve cells that carry response information to muscles and other organs

Tags

NGSS.MS-LS1-8

Sensory neurons

• the animal’s reaction to the stimulus

• nerve cells that detect stimuli

• found in the brain and spinal cord and allow sensory and motor neurons to communicate

• nerve cells that carry response information to muscles and other organs

Tags

NGSS.MS-LS1-8

Interneurons/Relay neurons

• nerve cells that detect stimuli

• a signal that causes an animal to react in some way

• nerve cells that carry response information to muscles and other organs

• found in the brain and spinal cord and allow sensory and motor neurons to communicate

Tags

NGSS.MS-LS1-8

Motor neurons

• the animal’s reaction to the stimulus

• found in the brain and spinal cord and allow sensory and motor neurons to communicate

• nerve cells that detect stimuli

• nerve cells that carry response information to muscles and other organs

Cat goes inside to escape the heat.

Select the stimulus.

• The heat

• Indoors

• the cat walking inside

Tags

NGSS.MS-LS1-8

Dog smells dog treat.

Select the response.

• Dog eats the treat

• Dog shares treat with a friend

• Dog smells treat

Tags

NGSS.MS-LS1-8

One bird of paradise needs to clean an area, before it can dance to impress a mate. When it sees a leaf, it picks it up and moves it out of the area. What in this example is the stimulus?

• Picking up the leaf and moving it

• Dancing with a friend

• Leaves cluttering the area

Tags

NGSS.MS-LS1-8