Neurons and Nerve Signals (Part 3)

What You'll Learn

Neurons are specialized cells that transmit electrical and chemical signals throughout the nervous system. Sensory neurons carry signals from receptors to the brain.

Key Words

exercise
tissue
heart

Materials Needed

ruler
paper
markers
tape

Safety First

Clean up spills immediately to prevent slipping.

Steps

Step 1 — Read

Read and learn: Neurons are specialized cells that transmit electrical and chemical signals throughout the nervous system. Sensory neurons carry signals from receptors to the brain.

Step 2 — Do

Create a labeled diagram of what you built or observed.

Step 3 — Observe

Compare the before and after states.

Step 4 — Record

Write your conclusion: did the results match your hypothesis?

Check Your Understanding

Question 1

1 of 3

What converts sound waves into nerve signals?