The easiest would be the circulatory system. BUT, i would suggest the nervous system! It is so interesting, with so many sub-systems existing within it. It’s on the more complex side tho
Athletes who consume adequate carbohydrates experience adequate liver and muscle glycogen stores.
<h3>What is glycogen?</h3>
Glycogen is a polysaccharide (carbohydrate) composed of many monosaccharide subunits.
Glycogen is a carbohydrate that serves as energy storage in animal cells and human cells.
During muscle contraction, glycogen is used to carry out cellular respiration and thus produce ATP.
Learn more about glycogen here:
brainly.com/question/4303062
Denia in medical terms means: Pain, the feeling of pain
Hope that helped!
Endocrinologists treat conditions like thyroid diseases, infertility, growth issues, osteoporosis, metabolic disorders, and diabetes :)