A tracheotomy is a surgical procedure that opens up the windpipe (trachea). It is performed in emergency situations, in the operating room , or at bedside of critically ill patients. The term tracheostomy is sometimes used interchangeably with tracheotomy.
Pygmy Marmoset - The Smallest Monkey. The pygmy marmoset is a tiny primate that is native to rainforests of the western Amazon Basin in South America. At just 100 grams, the pygmy marmoset is known to be the smallest known species of monkey in the world. It averages at about 15cm in height with a 20cm long tail behind it.
Quick Answer. The smallest unit of life is the cell. While there are other building blocks smaller than a cell, such as organelles and quarks, a cell is the smallest structure that functions independently. It can also replicate and perform all the necessary functions of life.