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Yu Ling’s Science Journal

Yu Ling’s Science Journal. Plant System. Plant System. Function of roots. Characteristics. Functions of stem. Plant system. What would happened if each part is missing?. Human Digestive System. Digestive system.

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Yu Ling’s Science Journal

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  1. Yu Ling’s Science Journal Plant System

  2. Plant System

  3. Function of roots

  4. Characteristics

  5. Functions of stem

  6. Plant system

  7. What would happened if each part is missing?

  8. Human Digestive System

  9. Digestive system • Breaks down food into simple forms so that they can be absorbed by the body.

  10. Circulatory system • Carry digested food and oxygen to all parts of the body. • Carries waste materials away from all parts of the body to be removed.

  11. Respiratory system • To exchange gases with the surroundings.

  12. Muscular system • Works with the skeletal system to help the body to move.

  13. Skeletal system • Support the body. • Give the body shape. • Protects the important organs. • Works with the muscular system to help us move.

  14. Human digestive system

  15. Mouth • Teeth in the mouth cut and grind the foo into smaller pieces. • Tongue mixes food with saliva. • Saliva digest part of the food

  16. Gullet • Pushes balls of food from the mouth to the stomach.

  17. Stomach • Churns (mix vigorously) food and mixes it with digestive juice to digest some of the food. • A good analogy of the stomach would be the washing machine. • The food is just like the clothes in the washing machine. It is being toss around in the machine.

  18. Small intestine • Mixes the food with digestive juices to complete the digestion of food. • Absorb the digested food through its walls/walls of the small intestine.

  19. Large intestine • Absorb water from the undigested food. • Temporarily stores undigested food and passes it out through the anus.

  20. Human digestive system summary Digestion starts in the mouth. Digestion ends in the small intestine.

  21. System (Concept Map) example Made out of

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