Brain Nervous System Reflex Arc

Where would the nerve impulse start in this reflex arc?

• A

• C

• D

• E

What type of neuron is A?

• Sensory

• Inter

• Motor

Name an effector in this diagram.

• A

• B

• D

• E

• F

Tags

NGSS.HS-LS1-3

Select two examples of effectors.

• Neuron

• Gland

• Muscle

• Receptor

Tags

NGSS.HS-LS1-3

An example of a reflex action includes

• Touching a butterfly

• Brushing your hand against the side of your body

• Touching a hot stove

• Your legs moving as you walk

Reflex actions are important because

• They provide a quick, involuntary response

• They prevent injury

• They are essential to the survival of organisms

• All of the above

Which type of neuron causes a muscle to contract in a reflex arc?

• Motor Neuron

• Sensory Neuron

• Interneuron

• Effector

Which is the correct order of neurons in a reflex arc?

• Sensory neuron, motor neuron, relay neuron

• Relay neuron, sensory neuron, motor neuron

• Sensory neuron, relay neuron, motor neuron

What is a stimulus?

• A change in the environment that is detected by receptors

• A change in the environment that is detected by effectors

• A response to a change in the environment

Tags

NGSS.MS-LS1-8

What organ does a reflex arc miss out originally?

• Spinal Cord

• Brain

• Cerebrum

• Heart