The counterfeit detector pen is extremely simple. It contains an iodine solution that reacts with the starch in wood-based paper to create a black stain. When the solution is applied to the fiber-based paper used in real bills, no discoloration occurs.
The human body, consisting of about 100 trillion cells, carries about ten times as many micro-organisms in the intestines. The metabolic activities performed by these bacteria resemble those of an organ, leading some to liken gut bacteria to a âforgottenâ organ.
Human body has a number of cells and related tissues. Since the Cell is the basic unit of any tissue, it decides the type, nature and function of the tissues. A group of different types of cells form tissues in the human body and one or more types of tissues form organs.For more detailed study go through an anatomy & physiology book.These body organs working in mutual manner form the organ systems.ifferent Types of cells in the human body (based on tissue formation). 1. Bone cells (Osteocytes) They are the toughest body Cell as they are bound together by calcium and phosphate. As you knows they give strength, support and frame-work to the body by enclosing organs in skeletal system i.e bones. 2.