Answer: The immune system
Explanation:
The immune system is a complex network of proteins and cells that defends the body against infection or any invasion. The human defense system in the body is actually made up of entire organs and vessel systems like the lymph vessels. The immune system is made up of organs that control the production and maturation of certain defense cells.
Initially, all living things are subjected to attack from disease causing agents. Even bacteria, so small that more than a million could fit on the head of a pin, have systems to defend against infection by viruses. This kind of protection gets more sophisticated as organisms become more complex.
Answer:
It can change the way your peers and people view you as an individual
Effect the way you view yourself
Can cause a broken relationship
thats it
Explanation:
Genetic variation is an important force in evolution as it allows natural selection to increase or decrease frequency of alleles already in the population.