Class notes
Pig Dissection Questionnaire with Answers
- Course
- Biology
- Institution
- 11th Grade
This document is about final culminating activity in Grade 11 University Biology, pig dissection.
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Name:Gr.11 Biology
The Dissection of a Fetal Pig – STUDENT WORKSHEET
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Part A: Eternal Examinations
Observations [2 marks]
Characteristics Data Collected
Length 21cm
Gestational age 115 days
Number of digits per limb 4
Number of nipples 14
Sex Male
Analysis: Use your notes and or research to answer these questions.
1. Describe the physical features that allow you to determine the sex of the pig. [1]
The urogenital opening allows us to determine the sex of the pig. Male - near in abdominal area and
Female’s urogenital opening is close to anus.
2. What is the difference between the hard palate and soft palate? Purpose. [2]
The difference between the hard palate and soft palate is their features. Hard palate has a lot of
ridges because it’s supported by bone and the Soft palate is soft because it’s mostly made from
muscles. Hard palates' purpose is to separate oral and nasal cavities. Soft Palates’ purpose is to
aid swallowing and breathing.
Part B: Digestive System
Observation: Oral Cavity
3. What is Papillae? Where are they located and what do they do? [2]
Papillae are the small bumps in the tongue of the pig that contain a lot of microscopic taste buds.
Papillae is in the tongue and tongue edges.
Papillae helps the pig taste its food.
Observations: Abdominal Organs
4. What is the purpose of the Umbilical vein? Where does it connect to? [2]
Umbilical vein carries the oxygen and nutrients from the umbilical cord and Umbilical vein connects
to the liver.
, 5. Describe the Urinary Bladder. What is it? What does it do? [1]
Urinary Bladder the thick structure between two Umbilical arteries. Urinary bladder is a
muscular container for urine.
6. What is the purpose of injecting Red and Blue colour into the pig? How does it help? [2]
They Inject red latex to the arteries and blue latex in the veins so that you can easily tell and see the
arteries and the veins.
7. What is the Peritoneum? What is its purpose? [2]
Peritoneum is the shiny slippery layer that lines the abdominal cavity and it covers the abdominal
organs. Its purpose is to protect against infection and peritoneum allows the abdominal organs to
move around smoothly.
8. Label the photo of the abdominal cavity. You will need to double click the picture and add labels
in the space provided. [5]
9. Name and describe the largest organ in the abdominal cavity:[1]
The largest organ in the abdominal cavity is the liver, its grayish structure or in the video it was
brown.
10. How many lobes (sections) does the liver have?[1]
4 lobes.
11. What is the name of the layers of membrane covering the abdominal organs? [1]
Peritoneum.
12. How is the gallbladder connected to the liver? [1]
Gallbladder is connected to the liver through a series of bile ducts called the biliary tract.
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