Reflex arc

Question 1

What is the spinal reflex?

Answer 1

Information is relayed via the spinal cord, for example, knee jerk reflex

Question 2

I am a rapid, involuntary sequence of actions that occur in response to specific stimulus. What am i?

Answer 2

A reflex arc

Question 3

What is a reflex arc composed of?

Answer 3

A sensory neuron an internueron and a motor neuron

Question 4

What are the 5 stages in a reflex arc?

Answer 4

1. Receptor (Receptor activates from stimuli)
2. Sensory Neuron (Fires action potential along sensory neuron)
3. Integration Centre (Synapses and interneurons)
4. Motor Neuron (initiates action potential and propagated along a motor neuron)
5. Effector (responds with reflex action)