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Lesson 38 of 84 · The Human Body
LessonThe Endocrine System: Hormones (Part 2)
What You'll Learn
The nervous system has two main parts: the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves throughout the body).
Key Words
- nervous system
- circulatory system
Steps
Step 1 — Read
Read and learn: The nervous system has two main parts: the central nervous system (brain and spinal cord) and the peripheral nervous system (nerves throughout the body).
Step 2 — Do
Follow the procedure carefully, step by step.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is the function of the heart?