9.Given below are certain structures, write their chief functional activity.(a) Blood platelets………….(b) Neutrophils ……………..(c) Erythrocytes ……………..(d) Lymphocytes …………….(e) Bone marrow ………….
9.Given below are certain structures, write their chief functional activity.(a) Blood platelets………….(b) Neutrophils ……………..(c) Erythrocytes ……………..(d) Lymphocytes …………….(e) Bone marrow ………….

Solution :

(a)Blood platelets : blood coagulation
(b) Neutrophils : phagocytosis
(c) Erythrocytes : transportation of gases
(d) Lymphocytes : antibodies production
(e) Bone marrow : destruction of old and weak red blood cells