Cell Biology - 522
Mrs. Romano
Name:
Section:
Lab: Fetal Pig Dissection
Procedure: You will be dissecting a fetal pig using the “Froguts” virtual frog dissection.
Working together, alternate having one partner control the virtual dissection website
while the other partner follows along. You should switch roles frequently. Answer the
questions below as you dissect. Some answers come from the website, some from your
notes, and some will come from your observations.

Click the button to begin. All instructions and discussions will be printed on screen. After
beginning, click the arrow to the right of the blue toolbar at the bottom of the screen. This will
allow you to control your dissection. You may use the controls to pause, rewind, or fast forward
the dissection.
1.
Identify the Kingdom: _________ Phyla: _________ and Order: _________ of the Pig.
2.
Mammals are _____________-covered creatures that are birth __________________ young.
3.
Describe the major function of mammary glands:
4.
We will be dissecting the fetal pig. The genus and species are:
_______________________________________________.
5.
Name 2 important reasons for the use of fetal pigs in science:
i.
ii.
6.
How do you tell the age of the fetal pig?
a.
7.
8.
9.
How old was your pig? ____________ days
The area toward the head is called the _________________ region. The area toward the tail is
called the _____________ region. The back is called the _________________ side. The front is
called the _________________ side.
What is the function of the nictating membrane?
a. Where do you find it on the pig?
What is the function of the pinna?
10. What is the function of the snout?
11. What is the largest organ of a mammal’s body?
12. What is the difference between the front legs and the back legs?
13. What is the function of the umbilical cord?
14. What is the purpose of nipples on male mammals?
15. Is your pig a male or a female? ________________ How do you know?
16. Draw what you see under the microscope when you dissect away a skin sample. Label a hair
shaft, the epidermis, and the dermis.
17. Why do pigs have a musty smell?
18. Why is it almost necessary for a pig to wade in mud when it is hot?
19. Complete the quiz given at the conclusion of part 1. What was your score on the quiz? ___/10
Musculo-Skeletal System
20. The three types of muscles are _________________________________________________.
21. Describe the function of the following structures:
a.
Smooth muscle __________________________________________________________
b.
Skeletal muscle __________________________________________________________
c.
Cardiac muscle ___________________________________________________________
22. What is the difference between flexion and extension?
23. What is the difference between adduction and abduction?
24. Give examples of the following types of bone:
a.
b.
c.
d.
Flat
Irregular
Long
Short
25. Describe where you would find the following parts of a long bone:
a. Periosteum
b. Marrow
c. Spongy bone
d. Compact bone
26. Complete the quiz given at the conclusion of the lesson. What was your score on the quiz? ___/10
Digestive System
27. Describe the main function of the following structures:
a.
Salivary Glands __________________________________________________________
b.
Tongue_________________________________________________________________
c.
Esophagus_______________________________________________________________
d.
Stomach_________________________________________________________________
e.
Pancreas________________________________________________________________
f.
Small Intestine___________________________________________________________
g.
Gall Bladder_____________________________________________________________
h.
Large Intestine___________________________________________________________
28. Complete the quiz given at the conclusion of the lesson. What was your score on the quiz? ___/10
Nervous System
29. The two parts of the central nervous system are the __________________ and
______________________.
30. What is the covering of the brain called?
31. Describe the main function of the following structures:
a.
Cerebrum __________________________________________________________
b.
Cerebellum _________________________________________________________
c.
Medulla Oblongata ___________________________________________________
d.
Corpus Callosum _____________________________________________________
e.
Pineal Body __________________________________________________________
32. Complete the quiz given at the conclusion of the lesson. What was your score on the quiz? ___/10