The body utilizes ATP that is stored in the muscles to perform anaerobic exercises. ATP stands for Adenosine Triphosphate which is a complex organic chemical - the source of energy that keeps everything going. The ATP is used for many cell functions including transport work moving substances across cell membranes, mechanical work, supplying the energy needed for muscle contraction...
B. Testicle, because it secretes hormones
It might be cartilage but I’m not positive I do know that the genitalia is called a vagina
