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Body Systems and Frog Pre-Lab

Body Systems and Frog Pre-Lab. What's My Function?. Circulatory Digestive Endocrine Excretory Immune Muscular Nervous Reproductive Respiratory Skeletal Skin( Integumentary ). Carries needed material to and waste away from the body Takes in food, breaks it down, & absorbs nutrients

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Body Systems and Frog Pre-Lab

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  1. Body Systems and Frog Pre-Lab

  2. What's My Function? Circulatory Digestive Endocrine Excretory Immune Muscular Nervous Reproductive Respiratory Skeletal Skin(Integumentary) Carries needed material to and waste away from the body Takes in food, breaks it down, & absorbs nutrients Controls many regulatory processes by mean of chemicals Removes waste Fights disease Enables the body to move (voluntary & involuntary motion) Detects and interprets information from the environment outside the body and from within the body Produces sex cells & controls male & female characteristics Gas Exchange of oxygen and carbon dioxide Supports the body, protects it and works with muscles to allow movement Protects the body, keeps water inside the body & regulates body temperature

  3. Levels of Organization • chemicals • atoms • molecules • macromolecules • organelles • cells • tissues • organs • organ systems • organism

  4. Amphibians Leopard Frog Frog Sound

  5. Amphibians • Lobe-finned fish gave rise to early amphibian Coelacanth ~ 6.5 feet Early Amphibian ~ 15 feet

  6. Amphibian Characteristics • 1. Legs – adaptation to land • 2. Lungs (adult) – adaptation to land • 3. Double-loop circulation • 4. Partially Divided heart divided into left and right sides – 3 chambers • 5. Cutaneous Respiration – the ability to breath through the skin

  7. 3 methods to take in Oxygen Gills Cutaneous Respiration (skin) Lungs

  8. Order Urodela (Salamanders) – “tailed ones” Mexican axolotl Tiger Salamander Giant Salamander –found in Asia and China Pacific Giant Salamander Red Spotted Newt

  9. Order Caecilians - “legless ones” Costa Rican - Gymnopismultiplicata Purple Caecilian

  10. Order Anura - “Tailless one’s” The Harlequin Frog Bullfrog Wallace’s Flying Frog Golden Poison Dart Frog Red-Eyed Tree Frog Cane Toad Strawberry Poison Dart Frogs

  11. Homework: Frog CHART

  12. Structures Nictitating membrane Tympanic membrane

  13. Structures: • Tongue • Gullet • Glottis • Eustachian tube • Maxillary teeth • Vomerine teeth

  14. Structures • Fat bodies • Liver • Heart • Lungs • Gall bladder

  15. Structures • Stomach • Small intestine • Mesentary • Large intestine/ Cloaca • Spleen • Esophagus

  16. Frog Review

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