The Human Body and Nutrition Part 3 of 3 The Nervous and Digestive System Abney Elementary Mrs. Delaup.

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Presentation transcript:

The Human Body and Nutrition Part 3 of 3 The Nervous and Digestive System Abney Elementary Mrs. Delaup

What are the main parts of the Nervous System? 1. The main parts of the Nervous System are the brain, spinal cord, nerves, and sense organs.

What is the job of the Nervous System? 2. The job of the Nervous System is to control all body systems. “The King” of body systems

What is the brain? 3. The brain is the control center of the nervous system.

How does the brain work? 4. The brain uses information it gets from your body to direct how each body system works.

What is the brain and the Nervous System made of? 5.The brain and all other parts of the nervous system are made up of nerve cells, or neurons. The thin fiber like threads coming off of the spinal cord are nerves. (see picture)

What is a neuron? 6. Groups of neurons are called nerves and they pass along information.

What is the spinal cord? Your spinal cord is a tube of nerves that runs through your spine, or backbone.

What is actually happening when a person swings a bat? 8.When a person swings a bat, the muscles receive a message from the brain to swing the arms.

What are the main parts of the Digestive System? 9. The main parts of the digestive system is the mouth, esophagus, stomach and intestine.

What is the job of the Digestive System? 10. The job of the Digestive System is to provide nutrients to the body.

Where does digestion begin? 11.Digestion begins in the mouth when you grind up food with your teeth.

What does saliva do? 12.Saliva softens the food.

What happens after you swallow? 13.After you swallow, the food enters your esophagus which connects your mouth with your stomach.

What happens in the stomach? 14. The stomach muscles squeeze the food and mix it with digestive juices.

What happens when the food leaves the stomach? 15.The food is then passed on into the small intestine where the nutrients pass through the walls into the blood. The blood carries the nutrients to the body’s cells.

What is the last stage of digestion? 16. Lastly, the food reaches the large intestine and is then passed through the body.

What is the importance of fiber? 17.Fiber helps your digestive system work well. Eat foods with fiber, such as fresh vegetables, beans, fruits, cereals, and breads.