Circulatory System of Man — Chapter Summary
ICSE · Class 10 · Biology
Summary of Circulatory System of Man for ICSE Class 10 Biology. Part of the ICSE Class 10 Biology syllabus. The circulatory system is the body’s transport.
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The circulatory system is the body’s transport system. It carries oxygen, nutrients, hormones, and other useful substances to cells and removes carbon dioxide and wastes from them. Blood, heart, and blood vessels work together in this system. Blood is a fluid connective tissue and is made of plasma
Key Concepts
A transport system that supplies oxygen
A transport system that supplies oxygen and nutrients to body cells, removes carbon dioxide and wastes, helps in defence, and maintains internal balan
Blood is a fluid connective tissue
Blood is a fluid connective tissue. It is slightly alkaline, has a pH of 7.4, and its specific gravity is 1.05 to 1.06. Adult blood volume is about 4.
Plasma is the liquid part
Plasma is the liquid part of blood and makes up about 55% of total blood volume. It is a transparent, alkaline, straw-coloured fluid made of about 92%
Serum is plasma from which fibrinogen
Serum is plasma from which fibrinogen has been removed during clotting. It is released as yellowish fluid after clot retraction.
RBCs are biconcave
RBCs are biconcave, enucleated blood cells in mammals including man. They contain haemoglobin and are responsible for transport of oxygen and carbon d
Learning Objectives
- Understand the need for a transport system in a multicellular body
- Identify the main parts of the circulatory system: blood, heart, and blood vessels
- Describe the composition and functions of blood and plasma
- Differentiate between red blood cells, white blood cells, and platelets
- Explain blood clotting and the role of vitamin K
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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