Reflex Action

In a reflex arc, the sensory neuron leads to the ___________ and the motor neuron leads to the __________

• Spinal cord, CNS

• CNS, muscle

• Spinal cord, muscle

• Muscle, CNS

If Kai picks up a hot plate _____________ receptors in their ___________ detect this change

• Sensory, skin

• Sensory, muscle

• Motor, skin

• Intermediate, muscle

Tags

NGSS.MS-LS1-8

Reflex actions are important in real-world scenarios because

• They provide a quick, involuntary response

• They prevent injury

• They are essential to the survival of organisms

• All of the above

Name an effector in this diagram.

• A

• B

• D

• E

• F

How is a reflex arc different than other voluntary movements?

• A reflex arc takes the same path as a voluntary action

• A reflex a travels from a sensory neuron to the spinal cord then to a motor neuron, skipping the brain

• A reflex arc takes longer than a voluntary action

• There is no difference between a reflex arc and a voluntary action