True. it starts off simple then you move into details
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.
Is a technique used to date materials such as rocks or carbon
The nervous system coordinates it's actions by sending signals throughout the body
