Correct sequence of events after knee tap (Reflex Arc):
4. Receptor detects the tap. 2. Sensory neuron carries the impulse to the spinal cord. 1. Motor neuron carries the impulse to the muscle. 3. Effector muscle contracts, causing the knee to jerk. Related Questions: Why do plants have a very slow response to stimuli? Name the parts of the human brain. Name two functions … Read more