frog dissection

• FROG DISSECTION HAVE A HOPPY DAY!
• What can we learn from dissecting a frog?


  Many of the body systems of humans and frogs are similar. We can compare frog and human anatomy to gain a better understanding of human body systems.
• Frog anatomy


  • Enlarged thumb pad (male)
  • Mouth
  • External nares
  • Eye
  • Tympanum
  • Nictitating membrane
  • Vomerine teeth
  • Maxillary teeth
  • Glottis
  • Internal nares
  • Eustachian tube
  • Esophagus
  • Pharynx
  • Tongue
  • Nictitating membrane
  • Tympanic membrane
• Dark, camouflaged back. Light, camouflaged underside.
• Frog internal anatomy


  • Stomach
  • Pancreas
  • Fat bodies
  • Small intestine
  • Large intestine
  • Liver
  • Spleen
• Safety precautions: Tools for dissections are sharp, must use carefully. Always wear gloves. Everyone must wear goggles. Use care when handling frogs.
• You must follow the directions carefully!
• Virtual dissections


  • Frog
  • Squid
  • Owl pellet
• Frog internal anatomy (detailed)

  • Artery
  • Right atrium
  • Lung
  • Ventricle
  • Liver
  • Gallbladder
  • Artery
  • Large intestine
  • Esophagus
  • Vein
  • Left atrium
  • Stomach
  • Pancreas
  • Small intestine
  • Cloaca
• Frog urinary and reproductive systems

  • Male: Fat bodies, Testes, Sperm ducts, Kidneys, Ureters, Uteri, Urinary bladder, Cloaca
  • Female: Ovary, Oviduct