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Feeding and Digestion

Explore the intricate processes of feeding and digestion in various organisms, from single-celled Paramecium to complex mammals. Discover how different digestive systems, influenced by diet (carnivores vs herbivores), affect overall anatomy and physiology. Learn about the heart structures, including the 4-chambered human heart and the unique respiratory systems of fish, amphibians, and birds. This comprehensive overview highlights the connections between anatomy and function, showcasing the body's adaptations to diverse environments.

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Feeding and Digestion

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  1. Feeding and Digestion

  2. Intracellular Digestion-each cell digests its own nutrients Paramecium – a single-celled pond organism

  3. Digestive Systems

  4. Human Digestive System

  5. Teeth Indicate Diet

  6. Which digestive system is longer, a carnivore or an herbivore? WHY??

  7. Compartments of a Cow’s Stomach

  8. Open vs. Closed Circulatory System Closed = blood is always in the heart or a blood vessel, never in sinuses. Open = blood in sinuses

  9. Amphibian has 3- chambered heart Mammal has 4- chambered heart Fish has 2-chambered heart

  10. Human Heart is 4-chambered: 2 atria and 2 ventricles Left side= blood with oxygen Right side= unoxygenated blood

  11. Cardiovascular System- Human Circulation

  12. Fish Respiration through Gills

  13. Insect Respiration through Tracheae

  14. Human Respiration through Lungs

  15. Bird Respiration through Lungs

  16. Male Anatomy

  17. Female Anatomy

  18. Female Hormones

  19. Placenta

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