Frog Dissection Worksheet

Frog Dissection Worksheet

Carefully read each question and follow the instructions. Use your knowledge of frog anatomy and dissection procedures to answer.

1. Which of the following is NOT an external feature of a frog?

2. Label the external structures of the frog shown in the diagram.

3. The primary organ for digestion in a frog, located after the esophagus, is the  .

4. Frogs use their   for gas exchange both in water and on land.

5. The large organ that produces bile and detoxifies substances in the frog's body is the  .

6. The small, dark, spherical organ often found near the stomach that is part of the immune system is the  .

7. Describe the purpose of the nictitating membrane in a frog.

8. During dissection, what is the first incision you would make to expose the internal organs?

Match each organ with its primary function.

13. Frogs have gills throughout their entire life cycle.

14. The frog's tongue is attached to the front of its mouth.