Body Fluids and Circulation

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BLØØD VÅSÇÜLÅR SÝSTËM

It includes heart, blood and blood vessel.

BLØØD

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It is a special type of connective tissue.

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Formed of plasma (55%) and formed elements (45%).

Å. PLÅSMÅ

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Straw-coloured, slightly alkaline (pH 7.4) viscous fluid.

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It forms 55% of the blood.

ÇØÑSTÏTÜËÑTS ØF PLÅSMÅ

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Water (90-92%): It is a good solvent.

Plasma proteins (6-8%) include:

01

Albumins: For osmotic balance. Regulate blood

pressure.

Globulins: Act as antibodies (for defense of the body). 02

03

Fibrinogen: For blood coagulation.

Glucose, amino

acids, lipids &

cholesterol.

Inorganic

constituents: Na⁺, K⁺,

Mg²⁺, Cl^-, HCO3

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Gases like CO2,

O2, N2 etc.

Plasma without clotting factors is known as serum. (NEET-II 2016)