Download Name: Class: ______ Date: Sheep Heart Dissection Student

Name: _________________________________
Class: ______
Date: ______________________
Sheep Heart Dissection
Student Worksheet
Label the diagram of the heart and use red and blue arrows to show the flow of blood:
→ Veins carry blood to the heart: deoxygenated blood (color blue)
→ Arteries carry blood away from the heart: oxygenated blood (color red)
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Analysis Questions: Use your book or research online.
1. How many chambers are found in the mammalian heart? List these chambers.
2. Which chambers are the pumping chambers of the heart?
Name: _________________________________
Class: ______
Date: ______________________
3. Which chambers are the receiving chambers of the heart?
4. Describe the action of the tricuspid valve when the ventricle is full.
5. Compare the structure of the tricuspid valve with that of the pulmonary valve.
6. How do the walls of the atria compare with the walls of the ventricles and why are they different?
7. What is the purpose of heart valves?
8. Name & compare the heart valves found between the upper & lower chambers of the right and left sides of
the heart.
Name: _________________________________
Class: ______
Date: ______________________
9. Vessels that carry blood away from the heart are called _________________________, while
______________________ carry blood toward the heart.
10. Which artery is the largest and why?
11. The Left Pulmonary Artery can also be called your Left Coronary Artery. What would happen if this was
blocked by a blood clot?
12. Using words, describe blood flow through the major blood vessels and heart, starting with deoxygenated
blood that has been returned from the body.
Brodnax