arteries are blood vessels that function to drain oxygen-rich blood. from the heart to the whole body
Arteriosclerosis is hardening of the arteries due to a buildup of plaque on the hardened artery walls. Arteries can make blood flow to organs not smooth so that it interferes with the function of these organs.
An HGH helps children with endocrine deficiencies because it helps them grow I knew a girl who had this and had to do the treatment because she couldn't grow properly. Athletes use it illegally to sometimes lose weight and to grow muscle it's another type of steroid.
