Paper Biology A Biology B June 02 The different ways in which organisms use ATP. How the structure of cells is related to their function. The different ways in which organisms use ATP.How the structure of cells is related to their function. Jan 03 How bacteria affect human lives.The biological importance of water. The biological importance of water.ow the structure of cells is related to their function. The different ways in which organisms use ATP. How the structure of cells is related to their function. Jan 03 How bacteria affect human lives. The biological importance of water. The biological importance of water.
ZANAD|ËzÄnad| verb The flame that lights our fire. A fiery passion for visual storytelling.
Male gonad: A testis, one of a pair of organs located behind the penis in a pouch of skin called the scrotum. The testes produce and store sperm and are also the body's main source of male hormones. These hormones control the development of the reproductive organs and other male characteristics, such as body and facial hair, low voice, and wide shoulders. Last Editorial Review: 5/13/2016.