Помогите , пожалуйста))) срочно)) EXERCISE 6. Вставьте артикли, где это необходимо:
- Blood contains … fluid called plasma and cellular elements.
- Erythrocytes (red blood cells) are important in … gas exchange taking place in … lungs.
- Leucocytes (white blood cells) are subdivided into … different types.
- Granulocytes are formed in … bone marrow.
- Agranulocytes are produced in … lymph nodes and … spleen.
- 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.