External Features of the Frog and Digestion

Question 1

Name the parts of the AXIAL REGION

Answer 1

Head & Trunk

Question 2

Name the different regions of the frog

Answer 2

Axial Region and Appendicular Region

Question 3

What are the two pairs of appendages?

Answer 3

Forelimbs and Hindlimbs

Question 4

paired opening located at the snout

Answer 4

External Nares

Question 5

the most posterior opening found at the median and posterior end of the trunk.

Answer 5

Cloaca

Question 6

the anterior blunt tip of the
head

Answer 6

Snout

Question 7

Three kinds of membrane at the frog’s head

Answer 7

Frontal Membrane, Nictitating Membrane, Tympanic
Membrane

Question 8

the _____ is the
flexible membrane of
skin possessed by
most _____. It’s purpose is to _____

Answer 8

vocal sac, male frogs, mating call or to warn other mates

Question 9

parts of forelimbs

Answer 9

upper arm, lower arm, elbow, wrist, palm, fingers

Question 10

parts of hindlimbs

Answer 10

thigh, shank, ankle, foot, toe, web

Question 11

how to determine if your frog is a male or female

Answer 11

males have enlarged thumb pad

Question 12

Anus Vs Cloaca

Answer 12

Anus is specifically for releasing solid waste, while the Cloaca is used for the digestive, urinary, and reproductive systems.

Question 13

Trace the passage of food in the alimentary canal

Answer 13

Buccal Cavity > Pharynx > Esophagus > Stomach > Small Intestine > Pancreas > Liver > Large Intestine > Cloaca

Question 14

What are the digestive glands?

Answer 14

1. pancreas-irregular, glandular tissue, yellowish white; between stomach and duodenum.
2. Liver-reddish brown gland ventrally located at the anterior portion of the pleuro-peritoneal cavity.
3. Gall bladder-greenish sac, at the median lobe of the liver.