Chromosomes females have xx and males are xy
E. Digesting.....food because it helps
The ribosomes build proteins.
13-13= 0, 19-13= 6, so then 0-6= -6
Carolus Linnaeus recognized the vital role of the internal environment and suggested that objective of mechanisms within the body is to preserve the constant conditions of the internal environment.
He was later known as the creator of current modern system of naming animals called binomial nomenclature
hope this helps