Reflex Arcs

In a reflex action, the __________ bypasses the ___________

• Motor neuron, brain

• Sensory neuron, brain

• Sensory neuron, spinal cord

• Motor neuron, spinal cord

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

Tags

NGSS.MS-LS1-8

An effector is also known as a ____________ to an action

• Stimulus

• Sensory neuron

• Motor neuron

• Response

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

When you suddenly shine a torch in someone's eye, the pupil

• Contracts, then stays that way for the rest of the day because the pupil needs time to readjust

• Stays the same

• Dilates

• Contracts

Tags

NGSS.MS-LS1-8

What is the final component of a reflex arc?

• Effector
• Receptor
• Integrating Centre
• Afferent Pathway

Tags

NGSS.HS-LS1-3

Which of the following is NOT an example of a reflex?

• Catching a ball
• Blinking when an object flies at your face
• Jumping at a loud nosie
• Coughing when something irritates your throat

Tags

NGSS.MS-LS1-8

Which neurons act to connect a sensory neuron to a motor neuron? 

• interneuron
• afferent 
• efferent
• motor

What type of neuron is A?

• Sensory

• Inter

• Motor

What type of neuron is B?

• Sensory

• Inter

• Motor