The Lymphatic System: Grade 12 Biology
A comprehensive worksheet for Grade 12 Biology students covering the structure and function of the human lymphatic system.
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The Lymphatic System: Grade 12 Biology
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Read each question carefully and provide your best answer. Refer to your knowledge of the lymphatic system.
1. Which of the following is NOT a primary function of the lymphatic system?
Fluid balance
Immune response
Gas exchange
Fat absorption
2. Lymph nodes are primarily responsible for:
Producing red blood cells
Filtering lymph and housing lymphocytes
Pumping blood throughout the body
Storing bile
3. The lymphatic system is a network of vessels, ducts, nodes, and organs that aids in balance and function.
4. Lymph is formed from fluid that has entered the lymphatic capillaries.
5. The largest lymphatic organ is the , which filters blood and stores lymphocytes.
6. Describe the role of lacteals in the small intestine.
7. The thymus gland is more active in adults than in children.
True
False
8. Lymphatic vessels have valves to prevent the backflow of lymph.
True
False
9. Label the indicated parts of the human lymphatic system:
