Reflex Arcs

Green Line (Neuron)

• Sensory Neuron

• Motor Neuron

• Interneuron

• Effector

• Effector Organ

Tags

NGSS.MS-LS1-3

Purple Line (Neuron)

• Sensory Neuron

• Motor Neuron

• Interneuron

• Effector

• Effector Organ

Tags

NGSS.MS-LS1-3

Muscle

• Sensory Neuron

• Motor Neuron

• Interneuron

• Effector

• Effector Organ

Tags

NGSS.MS-LS1-3

Hammer that hit knee

• Motor Output

• Sensory Input

• Integration

• Response

• Stimulus

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

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

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

What is a rapid, predictable and involuntary response to a stimuli known as?

• reflex

• synapse

• neurotransmission

• electrochemical

The neural pathway a reflex travels along is known as a ?

• reflex arc

• neural network

• framework passages

• movement instances