Frog

Question 1

The sex of the frog may be determined externally by examining the ______ on the front feet.

Answer 1

thumb pads

Question 2

Scientific Name of Frog

Answer 2

Rana pipiens

Question 3

Anterior openings for the entry or exit of air.

Answer 3

External nares or nostrils

Question 4

Tube that connects the mouth and the stomach in frog.

Answer 4

Esophagus

Question 5

The eardrum in frogs that receives sound waves

Answer 5

Tympanic Membrane

Question 6

The opening from the mouth into the respiratory system.

Answer 6

Glottis

Question 7

A transparent part of a frogs lower eyelid that moves over the eye to clean it and protect it.

Answer 7

Nictitating Membrane

Question 8

Opening of cloca through which undigested food, urine, eggs, and sperm are passed.

Answer 8

Cloaca Opening

Question 9

The flexible membrane of skin possessed by male frogs

Answer 9

Vocal Sacs

Question 10

Purpose of vocal sac?

Answer 10

An amplification of their mating or advertisement call.

Question 11

The function of this organ is to catch insects (its food).

Answer 11

Tongue

Question 12

Sharp teeth in the maxilla of frogs mouth that function in holding captured prey

Answer 12

Maxillary teeth

Question 13

Small projections in the top of frog’s mouth that function in holding and captured prey.

Answer 13

Vomerine teeth

Question 14

It equalizes air pressure

Answer 14

Eustachian tube openings

Question 16

Stores food and mixes it with enzymes to begin digestion

Answer 16

Stomach

Question 17

The principal organ of the digestion and absorption of digested food

Answer 17

Small Intestine

Question 18

The anterior (front) part of the small intestine into which food passes from the stomach

Answer 18

Duodenum

Question 19

Gland which secretes digestive enzymes into the duodenum

Answer 19

Pancreas

Question 20

Sac which stores bile

Answer 20

Gall Bladder

Question 21

Organ in the frog’s circulatory system that makes, stores, and destroys blood cells

Answer 21

Spleen

Question 22

Secretes bile and processes digestive food

Answer 22

Liver

Question 23

Posterior organ of the digestive system which stores undigested food

Answer 23

Large intestine

Question 24

Organ that collects and stored urine until released

Answer 24

Urinary Bladder

Question 25

Masses of fat in the body cavities of frogs. Needed for hibernating and mating.

Answer 25

Fat Bodies

Question 26

Organ through which food the products of the frogs digestive and urogenital system pass when discharged from the body.

Answer 26

Cloaca

Question 27

How many chambers does the heart of the frog have?

What are these?

Answer 27

3 Chambered Hearts

2 Atria and 1 Ventricle

Question 28

Large vein that carries blood from anterior part of the body towards the heart.

Answer 28

Anterior Vena Cava

Question 29

Pumping organ of the circulatory system?

Answer 29

Heart

Question 30

Large vein that carries blood from posterior part of the body towards the heart.

Answer 30

Posterior Vena Cava

Question 31

Chamber of the frogs heart which receives blood from the sinus venosus

Answer 31

Right Atrium

Question 32

Sac that receives blood from the vena cava

Answer 32

Sinus Venosus

Question 33

Chamber of the heart that receives blood from the lungs.

Answer 33

Left Atrium

Question 34

Large artery in a frog that carries blood away from the ventricle into branches that lead to all parts of the body.

Answer 34

Truncus Arteriosis

Question 35

Chamber of a frog’s heart that pumps out the blood out of the heart to the lungs and other parts of the body.

Answer 35

Ventricle

Question 36

Filter the blood and excretes excess water.

Answer 36

Kidney

Question 37

Carry the urine from the kidney to the urinary bladder.

Answer 37

Ureter