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Frog Anatomy

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Frog Anatomy External Anatomy ... Openings in the mouth that lead to tubes that connect to the middle ear to equalize air pressure Vomarine and ... Internal Anatomy ... – PowerPoint PPT presentation

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Title: Frog Anatomy


1
Frog Anatomy
2
External Anatomy
  • External nares or nostrils - Anterior openings
    for the entry or exit of air.
  • Tympanic Membrane - The eardrum - receives sound
    waves
  • Nictitating Membrane - A transparent part of a
    frogs lower eyelid that moves over the eye to
    clean it and protect it.

3
External Anatomy
4
Mouth Anatomy
  • Eustachian Tube Openings Openings in the mouth
    that lead to tubes that connect to the middle ear
    to equalize air pressure
  • Vomarine and Maxillary Teeth Used for holding
    prey
  • Internal Nares (nostrils) Helps with breathing

5
Mouth Anatomy
  • Esophagus Tube leading to the stomach
  • Tongue Helps with grabbing and swallowing prey
  • Glottis Tube leading to the lungs

6
Mouth Anatomy
7
Internal Anatomy
  • Heart - Pumping organ of the circulatory system
    that has 3 chambers. The Left Atrium, The Right
    Atrium, and the Ventricle.
  • Stomach - Stores food and mixes it with enzymes
    to begin digestion.

8
Internal Anatomy
  • Liver - Secretes bile and helps digest food and
    filters blood.
  • Lungs - Exchange point where carbon dioxide
    leaves and oxygen enters the blood helps the
    frog breathe.

9
Internal Anatomy
  • Pancreas - Gland which secretes digestive
    enzymes.
  • Gall Bladder - Sac which stores bile.
  • Spleen - Organ in the frogs circulatory system
    that makes, stores, and destroys blood cells.

10
Internal Anatomy
  • Small Intestine - The principal organ of
    digestion and absorption of digested food.
  • Large Intestine - Posterior organ of the
    digestive system which stores undigested food.

11
Internal Anatomy
  • Cloaca - Organ through which the frogs digestive
    waste and reproductive cells leave the body.
  • Fat Bodies - Masses of fat in the body cavities
    of frogs.  Needed for hibernating and mating.

12
Internal Anatomy
  • Kidneys - Organs that filter the blood and remove
    the wastes to make urine.
  • Urinary Bladder - The organ that collects and
    stores urine until released.

13
Internal Anatomy
  • Testes - Male sex organs that produce sex cells
    (sperm).
  • Ovaries - Organs of the female reproductive
    system that produce the eggs.

14
Internal Anatomy
15
Internal Anatomy
16
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