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Circulatory System of Man — Syllabus

ICSE · Class 10 · Biology

What Circulatory System of Man covers in ICSE Class 10 Biology: 4 topics, for the 2026-27 session. Part of the ICSE Class 10 Biology syllabus.

38 questions45 flashcards5 concepts

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A labeled diagram of a human red blood cell, highlighting its biconcave shape and the absence of a nucleus.
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4 Topics · ICSE Class 10 Biology · 2026-27

Topics in Circulatory System of Man

1

1. Circulatory system and body fluids

  • The circulatory system is needed because body cells are not directly in contact with the external environment.
  • Its main functions are transport of oxygen, carbon dioxide, nutrients, hormones, and wastes.
  • It also helps in homeostasis, defence, and temperature regulation.
2

2. Blood and plasma

  • Blood is a fluid connective tissue.
  • Normal blood volume is 4.5 to 5.5 litres in a woman and 5 to 6 litres in a man.
  • Blood is slightly alkaline with pH 7.4.
3

3. Red blood cells and haemoglobin

  • Red blood cells are also called erythrocytes.
  • RBCs are biconcave discs.
  • They measure about 8 micrometres in diameter and 2 micrometres in thickness.
4

4. White blood cells and their types

  • White blood cells are also called leucocytes.
  • WBCs are nucleated, colourless, and mostly amoeboid.
  • They help in defence by phagocytosis and antibody production.

Key Concepts

Central concept: Circulatory System

Body FluidsBloodHeartBlood VesselsDouble CirculationLymphatic SystemBlood CellsCoagulation of Blood

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Frequently Asked Questions

What are the important topics in Circulatory System of Man for ICSE Class 10 Biology?
Key topics in Circulatory System of Man include Circulatory system and body fluids, Blood and plasma, Red blood cells and haemoglobin, White blood cells and their types. Study these first, then practise questions on each for the ICSE Class 10 board exam.
How should I revise Circulatory System of Man for the ICSE Class 10 board exam?
Learn the core ideas first, then work through the 38 practice questions on Circulatory System of Man. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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