Frog Flashcards
The sex of the frog may be determined externally by examining the ______ on the front feet.
thumb pads
Scientific Name of Frog
Rana pipiens
Anterior openings for the entry or exit of air.
External nares or nostrils
Tube that connects the mouth and the stomach in frog.
Esophagus
The eardrum in frogs that receives sound waves
Tympanic Membrane
The opening from the mouth into the respiratory system.
Glottis
A transparent part of a frogs lower eyelid that moves over the eye to clean it and protect it.
Nictitating Membrane
Opening of cloca through which undigested food, urine, eggs, and sperm are passed.
Cloaca Opening
The flexible membrane of skin possessed by male frogs
Vocal Sacs
Purpose of vocal sac?
An amplification of their mating or advertisement call.
The function of this organ is to catch insects (its food).
Tongue
Sharp teeth in the maxilla of frogs mouth that function in holding captured prey
Maxillary teeth
Small projections in the top of frog’s mouth that function in holding and captured prey.
Vomerine teeth
It equalizes air pressure
Eustachian tube openings
Stores food and mixes it with enzymes to begin digestion
Stomach
The principal organ of the digestion and absorption of digested food
Small Intestine
The anterior (front) part of the small intestine into which food passes from the stomach
Duodenum
Gland which secretes digestive enzymes into the duodenum
Pancreas
Sac which stores bile
Gall Bladder
Organ in the frog’s circulatory system that makes, stores, and destroys blood cells
Spleen
Secretes bile and processes digestive food
Liver
Posterior organ of the digestive system which stores undigested food
Large intestine
Organ that collects and stored urine until released
Urinary Bladder
Masses of fat in the body cavities of frogs. Needed for hibernating and mating.
Fat Bodies
Organ through which food the products of the frogs digestive and urogenital system pass when discharged from the body.
Cloaca
How many chambers does the heart of the frog have?
What are these?
3 Chambered Hearts
2 Atria and 1 Ventricle
Large vein that carries blood from anterior part of the body towards the heart.
Anterior Vena Cava
Pumping organ of the circulatory system?
Heart
Large vein that carries blood from posterior part of the body towards the heart.
Posterior Vena Cava
Chamber of the frogs heart which receives blood from the sinus venosus
Right Atrium
Sac that receives blood from the vena cava
Sinus Venosus
Chamber of the heart that receives blood from the lungs.
Left Atrium
Large artery in a frog that carries blood away from the ventricle into branches that lead to all parts of the body.
Truncus Arteriosis
Chamber of a frog’s heart that pumps out the blood out of the heart to the lungs and other parts of the body.
Ventricle
Filter the blood and excretes excess water.
Kidney
Carry the urine from the kidney to the urinary bladder.
Ureter
