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.
Water is both the most abundant nutrient on Earth and in the human body. The world has about 333 million cubic miles of water, according to the U.S. Geological Survey, or USGS, and the human body is about 60 percent water. The United States withdraws about 410,000 million gallons, or Mgal, of water per day.or example, brushing your teeth with the water running and washing your hands consume 5 liters each and flushing the toilet about 11 liters. A bath is about 120 liters, and a shower consumes about 20 liters per minute. Washing clothes uses about 150 liters per load.