Question

how we get old?????????​

Answer 1

Answer:

Methylation of DNA slows over time, which creates an aging biomarker, so if we measure how much DNA of an individual has been methylated, we can estimate their biological age. Some genes may also become hypermethylated with age causing them to loose function, such as the estrogen receptor.

[I hope help ✌️❤️

Answer 2

Answer:

when are hormones work for a long time they get arrested and being tired our body works for a long period by using the blood circulation our bones muscles helps them to move our bodies and work for a long time the bones scratches to each other near the joints are blood cells works continuously while sleeping thus we get older

as we grow