Articles Junction

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Article Junction is an online blog of Sandeep Patil. Here, I share my encounters and experiences of life and would contribute articles on variety of topics; like finance, technology, health, the Internet, mobile, celebrities, etc. I shall also publish review articles on latest movies, documentaries, gadgets, products, services, so on. My attempt is to blog what I have seen, understood and learned.


Articles published on 'Articles Junction Blog' (AJB) are written and published by Sandeep Patil. This blog is updated and maintained by my co-author and webmaster Manoj Patil. Some articles are also contributed by our guest bloggers on a timely manner. We hope you will enjoy reading our articles. We welcome you to submit your suggestions.

Welcome to Articles Junction Blog, a free information portal on variety of subjects and topics that influenced different aspects of my life.


What is Blood? Composition and Function of Blood

square What is Blood? Definition

BLOOD is a connective tissue. The total volume of blood constitutes approximately 8% of the body weight or 5.6 liters.

square Composition of Blood

Composition of Blood

Blood is composed of a straw-coloured fluid like known as plasma and floating in this fluid are different types of cells or corpuscles. The main portions of the blood are mentioned below.

LIQUID PORTION (about 45 - 55% of blood)

a. Plasma: Water - 90 - 92%

b. Plasma Proteins: about 7% comprising of Albumin, Globulin & Fibrinogen.

The remaining 3% is comprising of:

c. Mineral Salts& NaCI, NaHCO3, K, Mg, Ca, etc.

d. Nutrient materials: Amino acids, Vitamins, and Fatty acids.

e. Organic Waste Products: Urea, Uric acid, Creatinine.

f. Hormones & Enzymes.

g. Gases: Oxygen, Carbon dioxide and Nitrogen.

square Function of Blood

  1. Blood carries oxygen from lungs to tissues.

  2. It carries nutrient materials from G.I.tract to tissues.

  3. Hormones manufactured in endocrine glands to target organs.

  4. Blood carries waste products to excretory organs.

  5. Blood gives defense against foreign bodies & microbes by reaching antibodies to sites of infection.

  6. It prevents dehydration of tissues.

  7. It maintaining body temperature.

  8. Blood clotting & healing of wounds

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