Introduction to lanugo: Before birth, a baby is covered with lanugo, a fine soft hair over most of the body â everywhere except the palms, soles, lips, penis, nails, and the sides of the fingers and toes. This soft prenatal hair is called lanugo hair. Most of the time, most of this hair is shed during the 7th or 8th month of pregnancy.
460 BCE- 370 BCE. Page 1. Democritus is an ancient Greek philosopher who first used the word âAtomâ. Democritus created the theory of the atom and he concluded that all mater is made up of the invisible particles called atoms.He also said that matter cannot come from nothing and matter is a âcombination and recombinationâ of atoms.60 BCE- 370 BCE. Page 1. Democritus is an ancient Greek philosopher who first used the word âAtomâ. Democritus created the theory of the atom and he concluded that all mater is made up of the invisible particles called atoms.
1 All atoms of a given element are identical; atoms of different elements have different properties. 2  Dalton's theory suggested that every single atom of an element such as oxygen is identical to every other oxygen atom; furthermore, atoms of different elements, such as oxygen and mercury, are different from each other.ecause of Aristotle's great influence, Democritus's theory would have to wait almost 2,000 years before being rediscovered. In the seventeenth and eighteenth centuries CE, several key events helped revive the theory that matter was made of small, indivisible particles.