biology unit 7 organ systems frog dissection notes
TRANSCRIPT
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BIOLOGY
Unit 7:Frog Notes
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(1) The Head• Ears:
– Thin membrane circles near eyes.– Allow for hearing.
• Vomerine Teeth:– Small, swollen bumps.– Roof of inside mouth, by nose.– Help hold prey.
• Maxillary Teeth:– Sharper bumps.– Roof of inside mouth.– Help tear flesh.
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(2) The Chest• Heart:
– Hard, red-brown nugget– Circulate blood.– Center of chest in between lungs, above liver.
• Lungs:– Bring in oxygen gas, and release carbon dioxide
gas.– Sides of heart within chest.
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(3) The Upper Abdomen• Liver:
– Gray-ish colored lobes (looks like lungs)– Break down misfunctioning blood cells, metabolize
toxins and fats.– Center of chest, under heart and lungs.
• Stomach:– Flesh-colored sack or tube– Metabolize food.– Left side of frog (your right side), under liver.
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(4) The Lower Abdomen• Intestines:
– Flesh-colored tube– Absorb food nutrients + excrete waste– Connected to stomach.
• Cloaca:– Multipurpose Hole Sperm/Eggs, Urine and Fecal
Matter all come out of here.– End of Intestine + Exiting Waste Hole.
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(5) Fat Bodies• Yellow-ish squiggly noodles
• Additional energy storage + body heat.
• Sides of body (internal), along abdomen.
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Yes you need to draw this!!
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Male Parts(Do NOT have to identify)
• Sperm
• Testes
• Cloaca
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Female Parts(Do NOT have to identify)
• Eggs
• Ovaries
• Cloaca
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External (Ventral):
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External (Dorsal):
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External (Lateral):
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Mouth:
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Mouth (Teeth):
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Mouth (Teeth):
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Eustachian Tubes:
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Nostrils:
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Through the Skin:
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Through the Muscle:
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More Internal:
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Heart:
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Liver & Gall Bladder: