Chromosomes: One of the linear or sometimes circular DNA - containing bodies of viruses, prokaryotic organisms, organism and the cell nucleus of eukargotic organisms that contain most of all genes of the individual.

 DNA: Deoxyribonucleic acid.

 Ocarina: The most numerous type of sweat gland found on the palms soles of the feet, and the forehead.

 Fuel: Fuel is stuff that burns down your food it transform it in to a heat.

 Gene: The information unit in DNA.

 Genotype: The inherit genetic code of an organism  for a specific trait.

 Hydrochloric acid: A clear, colorless liquid containing hydrogen and chlorine.

 Metabolism: Metabolism is the sum of the chemical processes by which cells produce the material and energy necessary for life.

 Molecule: The smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms.

 Nucleotide: Any of several compounds that consist of ribose or deoxyribose sugar joined to a purine or pyrimidine bare and to a phosphate group and that are basic structural units of nucleic acids.

 Nutrient: Nutrients are stuff such as carbohydrates,fats,proteins, and seven minerals needed every day in large amounts.

 Perspiration: It is another word for sweat.

 Poly nucleotide: A polymeric chains of nucleotide.

 Pore: A tiny opening in the skin.

 Sweat Glands: Glands in the skin that secrets sweat.

 Vitamin A Deficiency: Vitamin a deficiency exists when the chronic failure  to eat sufficient amounts of vitamin A or beta carotene results in levels of bloodstream Vitamin A or that are below a defined range. Beta-carotene is a form of pre vitamin A, which is readily converted to a Vitamin A in the body.