Immune System Mastery
A Grade 12 science worksheet focusing on the components, functions, and mechanisms of the human immune system, including innate and adaptive immunity, immune responses, and disorders.
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Immune System Mastery
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Read each question carefully and provide your best answer. This worksheet covers key concepts of the human immune system.
1. Which of the following cells is primarily responsible for producing antibodies?
T-helper cells
Macrophages
Plasma cells
Natural Killer cells
2. The innate immune system is characterized by:
Specific recognition of pathogens
Memory of past infections
Rapid, non-specific response
Production of T-cells and B-cells
3. The primary lymphoid organs include the bone marrow and the .
4. are chemicals released by immune cells to communicate and coordinate responses.
5. The process by which phagocytes engulf and digest foreign particles is called .
6. Differentiate between humoral immunity and cell-mediated immunity.
7. Explain the role of Major Histocompatibility Complex (MHC) proteins in the immune response.
8. Vaccines work by stimulating the innate immune system to produce antibodies.
True
False
9. Autoimmune diseases occur when the immune system mistakenly attacks the body's own tissues.
True
False
Match each immune component with its primary function.
10. Lymphocytes
a. Phagocytosis of pathogens
11. Neutrophils
b. Specific adaptive immunity
12. Antibodies
c. Chemical mediators of inflammation
13. Histamine
d. Tagging pathogens for destruction
14. Describe the sequence of events during a primary immune response to a novel pathogen, from initial exposure to the clearance of the pathogen and the establishment of immunological memory.
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