Question
State any five functions of blood.

Answer

(i) It transports oxygen from the lungs to body tissues.
(ii) It transports carbon dioxide from the tissues to the lungs partly in combination with haemoglobin and partly as solution in blood plasma.
(iii) It transports digested food to different organs of the body which is utilized by cells.
(iv) It helps in keeping the temperature of the body uniform by distributing heat.
(v) It forms a clot wherever there is a cut in a blood vessel. The clot not only prevents further loss of blood but also prevents the entry of disease germs.

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