Antibody. Protein that is produced by lymphocytes (white blood cells) and that attaches to a specific antigen. Antigen. Molecule on the surface of a pathogen that identifies it as a foreign invader to the immune system. Bacteria. Single-celled organism.Has a cell wall, cell membrane, cytoplasm.ntibody. Protein that is produced by lymphocytes (white blood cells) and that attaches to a specific antigen. Antigen. Molecule on the surface of a pathogen that identifies it as a foreign invader to the immune system. Bacteria. Single-celled organism.
Large amounts of fluid are used especially when nursing. The Institute of Medicine recommends that pregnant women drink about 10 cups (2.3 liters) of fluids daily and women who breast-feed consume about 13 cups (3.1 liters ) of fluids a day.
The UN say that a human being needs 50 litres of water per day in order to prepare meals and to have enough for personal hygiene. 50 litres of water per day are necessary in order to avoid diseases and to retain efficiency.However, many humans in Africa must get along with 20 litres water per day. That is the quantity of water that we use when having a shower for 1,5 minutes.In Germany, the water consumption per person amounts to 121 litres water per day.About 1/3 is for toilet-flushing, 1/3 for body hygiene and another third for laundering, washing the dishes, cooking and drinking.he UN say that a human being needs 50 litres of water per day in order to prepare meals and to have enough for personal hygiene. 50 litres of water per day are necessary in order to avoid diseases and to retain efficiency.