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Digestive System

Learn about the different body systems that work together to break down food, distribute nutrients, remove waste, and support overall bodily functions. Explore the digestive system, cells, muscles, respiratory system, circulatory system, and more.

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Digestive System

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  1. Digestive System • What is the name of the body system that breaks down food into nutrients (protein, carbohydrates, vitamins, minerals, water) for your body’s cells?

  2. Cells • They grow and divide. • They take in water & nutrients • They get rid of wastes • What are the smallest living structures in the human body?

  3. Involuntary • Which kind of muscles are being used when you digest food, breathe, or pump blood around your body? (voluntary or involuntary)

  4. Cardiac • Your body has 3 kinds of muscles: skeletal, smooth and cardiac. • What kind of muscle is the heart made of?

  5. Alveoli…lungs • Where do red blood cells pick up oxygen and drop off carbon dioxide?

  6. Bones • What body tissue makes red and white blood cells?

  7. Smooth Muscle • What kind of muscle (skeletal, cardiac, smooth) helps you breathe (diaphragm) and moves food through the digestive system?

  8. Large Intestine • Waste from the food you eat move through this musculartube • Water is squeezed from the wastes and then recycled back into your body.

  9. Blood Cells • What kind of cells do bones make?

  10. Trachea • The epiglottis is a flap that covers the opening of this tube. • Every time you inhale, air travels through this tube into your lungs.

  11. White Blood Cells • What kind of blood cells fight pathogens?

  12. Skeletal System • This system supports your body. • It makes blood cells. • It protects vital organs (heart, lungs, brain)

  13. Muscular System • What body system moves your bones, your body parts? • This system helps you breathe (diaphragm) • It helps you digest food too.

  14. Small Intestine • This digestive tube is lined with villi (they’re like sponges, they absorb the nutrients). • This digestive organ is where the red blood cells pick up the nutrients from the digested food.

  15. Respiratory System • Which system takes in oxygen and removes carbon dioxide from your body?

  16. Diaphragm • This smooth muscle helps your lungs inhale and exhale.

  17. Voluntary • What kind of muscles are being used when you kick a ball, swim, or hold a pencil? (voluntary or involuntary)

  18. Alveoli • What is the name of the tiny air sacs that exchange oxygen and carbon dioxide gases?

  19. Oxygen and Glucose • What are the two products of photosynthesis?

  20. Esophagus • Peristalsis moves food through this muscular tube. • This food tube is lined with smooth muscles

  21. Circulatory System • Which system moves blood around your body?

  22. Reproductive System • egg and sperm cells • This system creates more individuals, offspring.

  23. Excretory System • This system removes wastes from your body.

  24. Liver • This organ stores nutrients for your body. • Red blood cells pick up nutrients here when needed.

  25. Stomach • A muscular bag the mixes and mashes the food with acids.

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