The pituitary gland and the hypothalamus, located at the base of your brain, control the production of your male hormones and sperm.
The pit that marks the location of the umbilical cord after birth is known as the navel or belly button. All animals that grow placenta during fetal development will have a navel or belly button. The scientific name of the structure is the umbillicus. It can be a depression in some individuals or raised in others.
A plant cell placed in a hypotonic solution will not lyse because the plant cells tend not to bust..