Bedikat Chametz. On the night before Passover, a final ceremonial search for chametz is performed by candlelight by the entire family. This search is called bedikat chametz (×Ö¼Ö°×Ö´××§Ö·×ª ×Ö¸×Öµ×¥) and there is an old custom that ten pieces of chametz are to be hidden in the rooms before they are searched.eaven is an ingredient used in bread-making that creates the holes you see in bread loaves. Leavening agents permeate the dough by releasing gases that cause the entire batch of dough to rise. In Hebrew, leaven is called se'or (×©×Ö°××Ö¹×¨) whereas a leavened product is called chametz (×Ö¸×Öµ×¥).
The functions of the blood are: 1  to transport oxygen away from the lungs and around the body; and CO2 from the body cells to the lungs. 2  to transport nutrients such as glucose and amino acids from the digestive system to the cells in our bodies.
Functions and Constituents. Functions of blood. Transports gases, nutrients, waste, cells and hormones throughout the body. Transports O2, CO2, nutrients, hormones, heat and wastes. Regulates pH, temperature, water content of cells. Protects against blood loss through clotting. Protects against disease through phagocytic white blood cells and antibodies. The process by which blood is made is called Haemopoiesis. Blood Constituents. Blood consists of blood cells and plasma. If blood is treated with an anticoagulant and centrifuged, the blood cells sediment leaving a supernatant of clear plasma. Blood Cells. The sedimented blood cells account for 35-50% of the volume of blood and are of three basic types. 1  erythrocytes or red blood cells. 2  leucocytes or white blood cells. 3  platelets or thrombocytes.