The Nervous System

Key Notes :

Introduction to the Nervous System:

• The nervous system is like the body’s “control center” that helps us think, move, and feel.
• It sends messages between the brain and different parts of the body.

Main Parts of the Nervous System:

• Brain: The main control center of the body that helps us think, learn, and remember.

• Spinal Cord: A thick bundle of nerves that runs down the back, connecting the brain to the rest of the body.

• Nerves: Thin, thread-like structures that carry messages between the brain, spinal cord, and the body.

How the Nervous System Works:

• The brain sends and receives signals through the spinal cord and nerves.
• These signals travel very quickly, helping us react to things around us, like touching something hot.

Senses and the Nervous System:

• The nervous system helps us use our five senses: sight, hearing, smell, taste, and touch.
• These senses send information to the brain, which tells us how to respond.

Importance of the Nervous System:

• It helps us learn, remember, and make decisions.
• It controls our movements, like walking, talking, and writing.
• It protects us by reacting quickly to danger (like pulling our hand away from something hot).

Fun Fact:

• The brain has billions of nerve cells called neurons that communicate with each other.

Ways to Take Care of the Nervous System:

• Get enough sleep so the brain can rest.
• Eat healthy foods, especially fruits, vegetables, and foods rich in omega-3 (like fish).
• Wear a helmet to protect your brain when biking or playing sports.

Let’s practice!