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The lymphatic system: structure and functions
Practice Questions

18 CXC CSEC Human and Social Biology questions on The lymphatic system: structure and functions, each with instant feedback and a full examiner-style mark scheme.

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Try 2 sample questions on The lymphatic system: structure and functions

Question 1 · 1 mark · Difficulty 1/3

Lymph nodes are found at several locations throughout the body. Which of the following is the PRIMARY function of lymph nodes?

  1. To pump lymph through the lymphatic vessels
  2. To produce red blood cells for the immune response
  3. To filter lymph and produce lymphocytes to destroy pathogens
  4. To reabsorb tissue fluid directly into the bloodstream
Show answer & explanation
✓ Answer: C — To filter lymph and produce lymphocytes to destroy pathogens
Award 1 mark for C. Lymph nodes contain macrophages that engulf and destroy bacteria and other foreign particles, and they contain lymphocytes that mount immune responses. A is incorrect because lymph nodes do not pump lymph — movement of lymph depends on skeletal muscle contractions and semilunar valves. B is incorrect because red blood cells are produced in red bone marrow, not lymph nodes. D is incorrect because tissue fluid is reabsorbed into blood capillaries (not directly via lymph nodes) by osmosis.
Question 2 · 1 mark · Difficulty 1/3

A health educator in Barbados is teaching a community group about the immune system. She explains that certain cells found in lymph nodes engulf and digest bacteria. These cells are BEST described as:

  1. Lymphocytes
  2. Erythrocytes
  3. Platelets
  4. Macrophages
Show answer & explanation
✓ Answer: D — Macrophages
Award 1 mark for B. Macrophages are large phagocytic cells found in lymph nodes (and other tissues) that engulf and digest pathogens such as bacteria by the process of phagocytosis. A is incorrect because lymphocytes are also found in lymph nodes but they produce antibodies or attack infected cells rather than directly engulfing bacteria. C is incorrect because erythrocytes (red blood cells) are oxygen-carrying cells with no immune phagocytic function. D is incorrect because platelets are involved in blood clotting, not pathogen destruction.
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CXC CSEC Human and Social Biology: The lymphatic system: structure and functions FAQ

How many CXC CSEC Human and Social Biology questions on The lymphatic system: structure and functions are there on Kramizo?
Kramizo currently has 18 exam-board-aligned practice questions on The lymphatic system: structure and functions for CXC CSEC Human and Social Biology, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real CXC paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for CXC CSEC students preparing for Human and Social Biology?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix The lymphatic system: structure and functions practice with other Human and Social Biology topics or even switch to a totally different CXC subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the The lymphatic system: structure and functions questions aligned to the official CXC CSEC Human and Social Biology syllabus?
Every question is written against the published CXC CSEC Human and Social Biology specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real CXC paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from CXC.
How is The lymphatic system: structure and functions typically tested on CXC CSEC Human and Social Biology papers?
The lymphatic system: structure and functions appears across multiple question types on real CXC CSEC Human and Social Biology papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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