Unit 2 Nervous System Review

Two major branches of the nervous system

• central and peripheral

• peripheral and motor

• motor and sensory

The brain and spinal cord are a part of...

• Peripheral Nervous System

• Central Nervous System

The nerves throughout your body are a part of the ...

• Central Nervous System

• Peripheral Nervous System

Tags

NGSS.MS-LS1-8

Which of these is the correct path from stimulus (input) to response (output)?

• Stimulus is detected by receptors. A signal is sent to the brain. The brain sends a response to the area. 
• You sense a stimulus. You make a decision to react to the stimulus. A message is sent to the brain. You decide whether to do what your brain tells you. 
• A stimulus is detected. If the stimulus is severe, your brain reacts. If the stimulus is mils, your brain ignores it. You then make the decision to response. 
• A stimulus passes through a chemoreceptor. The signal is then sent to the brain. A photoreceptor causes a response. 

Tags

NGSS.MS-LS1-8

Once the brain receives a message from the sensory neurons, it sends a message to make your muscles move. Which of these is responsible for that movement?

• Motor neurons
• Inter neurons
• Sensory neurons
• Spinal cord

Tags

NGSS.MS-LS1-8

Regardless of the types of input, such as burning your hand on a hot stove or noticing that it is hot outside, all stimulus and response signals must

• Be voluntary, requiring you to make the decision to respond
• Go straight to the muscles for a quick response
• Happen instinctively without you making a decision
• Travel to the brain  for processing

Tags

NGSS.MS-LS1-8

The part of the neuron that takes information away from the cell body is called a(n) _____________.

• dendrite
• axon
• cell body
• Schwann cell

What is the chemical used by a neuron to transmit an impulse across a synapse to another nerve cell?

• Neurotransmitters
• Synapse
• Threshold
• Impulse

The part of the neuron that brings information to the cell body is called a(n) ___________.

• dendrite
• axon
• nucleus
• node of Ranvier

The part of the neuron that insulates the axon and increases the speed of the neural message within the neuron.

• Synapse
• Dendrite
• Myelin Sheath
• Axon Terminal Button