Answer:
HeLa cells, like many tumours, have error-filled genomes, with one or more copies of many chromosomes: a normal cell contains 46 chromosomes whereas HeLa cells contain 76 to 80 (ref) total chromosomes, some of which are heavily mutated (22-25), per cell.
Explanation:
It is the hypothalamus that regulates thirst and body temperature. It is the l<span>imbic system structure that regulates hunger, thirst, and body temperature and contains the so called reward centers of the brain. Hope this answers the question.</span>