Test Your Knowledge on the Immune System's Lesser-Known Defenders!

Thymus gland:

• Small organ located in upper chest
• Produces T-cells for immune system
• Active during childhood and adolescence
• Contains thymocytes that mature into T-cells
• Structure includes two lobes divided into smaller lobules
• Gradually shrinks and becomes less active with age

Tonsils:

• Pair of oval-shaped masses of lymphoid tissue
• Located at back of throat
• Protect against infections through mouth and nose
• Structure includes palatine and pharyngeal tonsils
• Contain immune cells to fight off infections
• Can become infected themselves

Lymph nodes:

• Small, bean-shaped structures located throughout the body
• Part of the lymphatic system
• Contain immune cells to fight off infections and diseases
• Filter lymphatic fluid and trap harmful substances
• Can become swollen and tender when fighting off infections nearby

Test your knowledge of the lymphatic system with this quiz! Learn about the thymus gland, tonsils, and lymph nodes - their location, structure, and functions. Discover how they work together to protect your body against infections and diseases. Keywords: lymphatic system, thymus gland, tonsils, lymph nodes, immune cells, infections, diseases, filter, lymphatic fluid, swollen.