Separates thoracic cavity and abdominopelvic cavity

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Reference no: EM133200057

Questions

1. Before watching the video, review the taxonomy of the organism that will be dissected. Provide the Domain, Kingdom, Phylum, and Class of the common rat, Rattus norvegicus.

2. Which external features would you use to distinguish between male and female rats? What is the anatomical sex of the first rat dissected in the video?

3. Using anatomical terminology, which surface of the rat is visible in the video? Which surface is contacting the black dissection tray? Hint: One side is ventral, one side is dorsal.

4. In the video, the dissector uses scissors to cut through the body wall of the rat. Using anatomical terminology, how would you describe the direction of the cutting? Hint: Does the cut proceed from anterior to posterior, or posterior to anterior?

5. The dissector spends a lot of time looking at various serous membranes, or serosa. Describe the locations of the peritoneum, pericardium, and pleura.

6. What is the thin muscle that separates the thoracic cavity and abdominopelvic cavity?

7. What are the two tubes shown in the neck? For each of the two tubes, identify the organ system it is a part of, and which organs the tube connects.

8. Which small organ is located just above the heart? What is its function?

9. What is the name of the connective tissue layer connected to the bottom of the stomach?

10. Which organ is located behind the stomach? What is its function?

11. What is a difference between the structure of the rat uterus and the human uterus? What is different about pregnancy between humans and rats?

12. How many lobes are shown in the rat liver? How is this different from the human liver? What role does the liver play as an accessory organ to the digestive system?

13. What are the three parts of the small intestine? Which portion receives food from the stomach? Which part is connected to the large intestine?

14. What is the name of the first part of the large intestine that receives food from the small intestine?

15. What is different about the mobility of the intestines and kidneys in the dissected rat? What is structurally different between the two organs?

Reference no: EM133200057

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