Point 3 of 11 — Lesson 2: The Human Immune System (Organs, Cells, and Antibodies)Question bank: 23 questions (23 with pictures)
03Worked example 5 — why swollen glands?
When you have a throat infection the lymph nodes of the neck become tender and swollen.
Explanation: lymph draining the infected area enters the nodes, where macrophages and lymphocytes trap the pathogens; the lymphocytes divide in large numbers, enlarging the node.
📝 Question bank for this point
23 questions linked to this point only, 23 of them with pictures.