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Circulatory System of Man

ICSE · Class 10 · Biology

Quick revision notes for Circulatory System of Man — ICSE Class 10 Biology. Key concepts, formulas, and definitions for last-minute revision.

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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Key Topics to Revise

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.

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Full Notes

Key Concepts

A transport system that supplies oxygenBlood is a fluid connective tissuePlasma is the liquid partSerum is plasma from which fibrinogenRBCs are biconcave

Frequently Asked Questions

What are the important topics in Circulatory System of Man for ICSE Class 10 Biology?
Circulatory System of Man covers several key topics that are frequently asked in ICSE Class 10 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Circulatory System of Man — ICSE Class 10 Biology?
Understand the core concepts first, then work through the 38 practice questions available for this chapter. Revise formulas and 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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