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Fish Dissection and Body System Review

Fish Dissection and Body System Review. What gives fish their color?. Pigment grains. Are skeletal muscles voluntary or involuntary?. Voluntary. Smooth muscle lines the digestive tract. Is it voluntary or involuntary?. Involuntary.

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Fish Dissection and Body System Review

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  1. Fish Dissection and Body System Review

  2. What gives fish their color? Pigment grains

  3. Are skeletal muscles voluntary or involuntary? Voluntary

  4. Smooth muscle lines the digestive tract. Is it voluntary or involuntary? Involuntary

  5. What substance does the liver produce that helps break down fats and oils? Bile

  6. Where is bile stored? Gall bladder

  7. What kind of blood vessels would you find in the gills? Capillaries

  8. What is the function of the gill rakers? Keep food in mouth, out of gills

  9. What is the other name for the gill cover? Operculum

  10. What structure helps fish to regulate buoyancy? Gas bladder (aka swim bladder)

  11. Which blood vessels carry blood away from the heart? Arteries

  12. Which blood vessels carry blood to the heart? Veins

  13. What is the function of the white blood cells? Fight disease

  14. What structures pick up liquid that passes out of the capillaries and returns it to the veins? Lymph ducts

  15. Small stonelike bones in the ears are called Otoliths

  16. Dissection Guidelines • Treat specimen with respect • Clean and return dry tools in boxes • Wet pins on paper towel • Study specimen – be prepared for lab practical next class (scales and fish anatomy)

  17. Procedure • Follow instructions on handout • Omit scale examination and brain observation

  18. Turn In • 3 drawings • After skin is pulled back showing muscle blocks (myomeres) • Gill – brachial arch, gill filaments, gill rakers • Internal anatomy – pyloric ceca, stomach, swim bladder, gonad, intestine, pancreas, liver, heart

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