)) exercise 6. вставьте артикли, где это необходимо: 1. blood contains … fluid called plasma and cellular elements. 2. erythrocytes (red blood cells) are important in … gas exchange taking place in … lungs. 3. leucocytes (white blood cells) are subdivided into … different types. 4. granulocytes are formed in … bone marrow. 5. agranulocytes are produced in … lymph nodes and … spleen. 6. platelets are … tiny cells formed in the bone remaining after … coagulation process is the serum. exercise7. вставьте предлоги или наречия: 1.thrombocytes are necessary … blood clotting. 2.the plasma is the fluid portion … clotting has occurred. 3.there are two types … agranulocytes. 4.granulocytes are cells … granules in their cytoplasm. 5.the number of leucocytes is … 4.000 … 10.000 per cubic millimeter. 6.the oxygen is used … body cells in the process …converting food … energy. 7.carbon dioxide is expelled … the process … breathing. 8.erythrocytes transport oxygen … the lungs … the blood stream … the cells of the body. 9.they also carry … a waste product … catabolism.

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)) exercise 6. вставьте артикли, где это необходимо: 1. blood contains … fluid called plasma and ce...

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