Question

drag each tile to the correct box.
lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the events chronologically.
interneurons relay the impulse to motor neurons in the spinal cord.
she immediately moves her foot.
the sensory neuron generates an impulse.
receptors in her toe receive stimuli.
motor neurons signal the leg muscles.

Explanation:

To determine the chronological order, we follow the reflex arc process:

1. First, receptors in the toe detect the stimulus (stepping on the nail).
2. Then, the sensory neuron generates an impulse from the receptor.
3. Next, interneurons in the spinal cord relay this impulse to motor neurons.
4. After that, motor neurons send signals to the leg muscles.
5. Finally, the muscle action causes her to move her foot.

So the order is: Receptors in her toe receive stimuli. → The sensory neuron generates an impulse. → Interneurons relay the impulse to motor neurons in the spinal cord. → Motor neurons signal the leg muscles. → She immediately moves her foot.

Answer:

1. Receptors in her toe receive stimuli.
2. The sensory neuron generates an impulse.
3. Interneurons relay the impulse to motor neurons in the spinal cord.
4. Motor neurons signal the leg muscles.
5. She immediately moves her foot.