The nerves are pretty much responsible for everything. You're nerves sense pain and all of that. I'm not really good at explaining it, but it's the nervous system. I know what I'm talking about because I'm taking a med class in high school. Hope this helped.
Answer:
Heredity is the inheritance of genes from parent "mice" to their offspring. ... mice have 20 SETS of chromosomes, making 40 chromosomes overall. Each chromosome may not have the same form of allele as the next, since one pair came from the mother and onother the father
Explanation:
organ system must be present
Answer: True
Cell -> Tissue -> Organ -> Organ System -> Organism.
