Karen was able to live in a coma for several years even when taken off the respirator. this is because parts of the body not under conscious control continue to function. these parts are regulated by the:

The right answer is autonomic nervous system.

The autonomic nervous system is the part of the nervous system that regulates certain automatic functions of the body such as smooth muscles, digestion, respiration, heart muscles or certain glands. Thus, it allows the maintenance of the internal homeostasis of the body. It is opposed to the somatic nervous system, a component of the peripheral nervous system associated with the voluntary control of the body's movements in its external environment.

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

i do not know and i have a 100 in this class