Question

Give the composition of blood plasma & the functions of the constituents.

Answer 1

S.No.	Constituent	Percentage	Main function
1.	Water	90%	It provides liquid nature to the plasma
2.	Plasma proteins (i) Albumin	7% 4.2%	It provided colloidal nature to the plasma
	(ii) Globulins	2.5%	They participate in the formation of antibodies
	(iii) Fibrinogen	0.3%	Participate in blood clotting
	(iv) Others	Traces	Some enzymes
3.	Glucose		Source of energy
4.	Fatty acids and glycerol	0.1%	Nutrient
5.	Enzymes & Hormones	0.5%	Used in metabolic activities
6.	Urea	0.04%	Excretory product
7.	Inorganic ions	2.0%	Nutrients
8.	Gases (O2, CO2, N2)		O2 is used in oxidation of food