Frog Dissection

Front

During the frog dissection lab, some students found small round structures inside their frog (pictured). What do these structures tell us about this particular frog?

Back

These are eggs. This frog is a female.

Front

What is the special, translucent eyelid membrane that covers and protects a frog's eye underwater called?

Back

Nictitating Membrane

Front

Identify the internal frog organ that is shown (in color) in this picture. It has 3 chambers and is a muscle responsible for pumping blood.

Back

Heart

Front

Identify the internal frog organ that is shown (in color) in this picture. It is the largest internal organ in both humans and the frog.

Back

Liver

Front

Frogs have vertebrae (bones) that form a spinal column down their back. What body system is shown in this picture?

Back

Skeletal System

Front

What is the largest, strongest muscle group found in the common frog?

Back

The Leg Muscles

Front

What is the special adaptation of a frog tongue?

Back

It attaches at the front of the mouth so that it can flip out to catch prey.

Front

Just behind the eye, a specialized membrane, adapted for life in and out of water, serves as the frog's ear. What is this membrane called?

Back

Tympanic Membrane

Front

Which class of animal does the frog belong to?

Back

Amphibian

Front

What is a special feature of a frog's skin, that allows it to live in water?

Back

The skin is thin and smooth and can allow oxygen from the water to enter the frogs blood.