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Frog Disection Project

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by

Vincent Bartolomei

on 16 May 2014

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Transcript of Frog Disection Project

By: Vincent Bartolomei, Bradley Gibson, and Kilian Vidourek
External Anatomy
The External Anatomy of the frog describes its exterior characteristics that describe the ways in which it looks.
Characteristics
Dorsal Side Color- Dark Brown
Ventral Side Color- Tan
Amount of Toes- 5 (Webbed) for both front and hind legs
The Frog is 12.7 Centimeters long
Nictitating Membrane Color- Light Pink
Eyeball Color- Blue
Diameter of the Tympanic Membrane- .635 centimeters
The Frog's skin feels slimy and leathery

The Frog's Mouth
Characteristics
The Frog uses its mouth as a means of catching prey and delivering food and air to its body
Vomarine Teeth
Maxillary Teeth

The tongue is attached to the front of the mouth.
The Eustachian tube attaches to the tympanic membrane.
The Vomarine teeth are bumpy while the Maxillary Teeth are Sand-Paper like.
The Frog's Internal Organs
There's a Throat in my Frog!
Structure
Function
Location
Vomerine Teeth

Eustachian Tubes

Tympanic Membrane

Esophagus

Glottis

Tounge
Crushing Prey

Used to equalize pressure

Used to hear sounds

Used to swallow prey

Used to intake air

Used to catch prey
On the roof of the mouth

On the inside of the mouth

On the side of the frog's head

Inside the mouth

Adjacent to the esophagus

On the bottom of the mouth
The Frog's Brain
The Frog's Bones
Class Lengths
13
13
12
12.7
12.5
1
2
3
4
5
The frog's fat bodies help insulate the eggs and the body warm warm. They also store energy for the frog.
The stomach is where the frog intakes its food to be digested.
The frog's liver acts as a detoxification system and also produces bile, a substance that helps digest the frog's food
The black organ at the upper part of the open cavity is one of the two kidneys. They the blood through the frog.
The Brain is the control center of the frog, very similar to the nucleus of a cell.
AVG
12.64
The Kidneys
The Fat Systems
The Liver
The Stomach
The Heart
The frog's heart is responsible for pumping the blood into all parts of the frog's body
The Urogenital System
The Lungs
Urogenital system includes the genitals which produce gametes and urinating systems like the bladder. The frog's eggs are produce from the Urogenital System.
The frog's lungs are used as means for the frog's blood to draw oxygen.
(Above: Frog Eggs)
The Bones of the Frog give the animal the support it needs and protect the muscles and organs they encase.
The Frog
All of these structures and systems work together to create an individual living organism. By dissecting the frog we learned how the frog functions. We also got to see the proportion of the organs to the size of the frog and where they are located.
Post Lab Questions
1. The membrane holds the coils of the small intestine together:
mesentery
2.This organ is found under the liver, it stores bile:
gall bladder
3. Name the 3 lobes of the liver:
right, left anterior, left posterior
4. The organ that is the first major site of chemical digestion:
stomach
5. Eggs, sperm, urine and wastes all empty into this structure:
cloaca
6. The small intestine leads to the:
large intestine
7. The esophagus leads to the:
stomach
8. Yellowish structures that serve as an energy reserve:
fat
9. The first part of the small intestine(straight part):
duodenum
10. After food passes through the stomach it enters the:
duodenum (sm intestine)
11. A spiderweb like membrane that covers the organs:
peritoneum
12. Regulates the exit of partially digested food from the stomach:
pyloric sphincter valve
13. The large intestine leads to the:
cloaca
14. Organ found within the mesentery that stores blood:
spleen
15. The largest organ in the body cavity:
liver
Full transcript