Frog Anatomy and Functions Flashcards

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Questions and Answers

What are the external nares or nostrils?

Muscular structure to catch insects

Opening for the entry or exit of air (correct)

Organ that collects urine

Chamber of the frog's heart

What connects the mouth and stomach in a frog?

Esophagus

What is the function of the tympanic membrane?

Receives sound waves

What is the glottis?

Opening from the mouth into the respiratory system Signup and view all the answers

What is the function of the frog's tongue?

Catching insects Signup and view all the answers

Where are the maxillary teeth found?

In the maxilla of the frog's mouth Signup and view all the answers

What are vomerine teeth?

Small projections in the top of a frog's mouth Signup and view all the answers

What do the eustachian tube openings connect?

Mouth to middle ear Signup and view all the answers

What is the function of the nictitating membrane?

Cleans and protects the eye Signup and view all the answers

What is the cloacal opening?

Opening of the cloaca Signup and view all the answers

What stores food and begins digestion in frogs?

Stomach Signup and view all the answers

What is the main organ of digestion and absorption in frogs?

Small intestine Signup and view all the answers

What is the duodenum?

The anterior part of the small intestine Signup and view all the answers

What does the pancreas secrete?

Digestive enzymes Signup and view all the answers

What does the gall bladder store?

Bile Signup and view all the answers

What is the large intestine's role?

Stores undigested food Signup and view all the answers

What does the liver secrete?

Bile Signup and view all the answers

What collects and stores urine in frogs?

Urinary bladder Signup and view all the answers

What are fat bodies needed for in frogs?

Hibernating and mating Signup and view all the answers

What does the spleen do in frogs?

Makes, stores, and destroys blood cells Signup and view all the answers

What is the cloaca?

Organ for waste discharge Signup and view all the answers

What is the main function of the heart?

Pump blood Signup and view all the answers

What does the anterior vena cava do?

Carries blood toward the heart Signup and view all the answers

What does the posterior vena cava carry?

Blood from the posterior part of the body to the heart Signup and view all the answers

What is the sinus venosus?

Sac that receives blood from the vena cava Signup and view all the answers

What chamber of the heart receives blood from the lungs?

Right atrium Signup and view all the answers

What do the pulmonary veins carry?

Blood from the lungs to the left atrium Signup and view all the answers

What chamber pumps blood out of the heart?

Ventricle Signup and view all the answers

What is the truncus arteriosus?

Large artery carrying blood away from the ventricle Signup and view all the answers

Study Notes

Frog Body Parts and Their Functions

External nares or nostrils: Facilitate air entry and exit for respiration.
Esophagus: A tube connecting the mouth to the stomach, allowing food passage.
Tympanic membrane: Known as the eardrum, it detects sound waves.
Glottis: The opening from the mouth into the respiratory pathway.
Tongue: A muscular organ at the mouth's front, extends to catch prey like insects.
Maxillary teeth: Sharp teeth located in the upper jaw, help to grip captured prey.
Vomerine teeth: Small projections on the upper mouth aiding in prey retention.
Eustachian tube openings: Connect the mouth to the middle ear, balancing air pressure.
Nictitating membrane: A transparent eyelid layer that cleans and protects the eye.
Cloacal opening: Exit point for undigested food, urine, eggs, and sperm.
Stomach: Stores food and initiates digestion by mixing it with enzymes.
Small intestine: Main site for digestion and nutrient absorption.
Duodenum: The initial segment of the small intestine, receiving food from the stomach.
Pancreas: Excretes digestive enzymes into the duodenum for food processing.
Gall bladder: Stores bile produced by the liver for digestion.
Large intestine: Stores undigested food before it is expelled.
Liver: Produces bile and manages processed food molecules.
Urinary bladder: Stores urine until it is excreted from the body.
Fat bodies: Fat deposits crucial for hibernation and reproductive activities.
Spleen: Part of the circulatory system, responsible for the creation and disposal of blood cells.
Cloaca: Common exit for digestive and urogenital waste.
Heart: The central organ of circulation, consisting of three chambers.
Anterior vena cava: Major vein transporting blood from the head and upper body to the heart.
Posterior vena cava: Major vein carrying blood from the lower body towards the heart.
Sinus venosus: A pouch receiving blood from the vena cava before it enters the heart.
Right atrium: Heart chamber collecting oxygen-depleted blood from the lungs.
Pulmonary veins: Vessels that convey oxygen-rich blood from the lungs to the left atrium.
Ventricle: Heart chamber that pumps blood to the lungs and throughout the body.
Truncus arteriosus: Major artery transporting blood from the ventricle to distribute it across the body.

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Description

Explore the fascinating body parts and functions of frogs with these flashcards. Learn about essential components such as the external nares, esophagus, tympanic membrane, glottis, and tongue. Perfect for students studying amphibian biology or anatomy.