The cost of the athletic training room
A. BMI is the correct answer
Answer:
GnRH signals the pituitary gland to release two puberty hormones into the bloodstream: LH and follicle stimulating hormone (FSH). In boys, LH and FSH work together to get the testes to begin producing testosterone, the hormone responsible for the physical changes of puberty and the production of sperm.
The answer is Protein. T<span>he primary type of macromolecule in the actin and myosin that make up muscle cells is Protein. </span>Muscles<span> are composed of two major protein filaments: a thick filament composed of the protein </span>myosin<span> and a thin filament composed of the protein </span>actin<span>. </span>Muscle contraction<span> occurs when these filaments slide over one another in a series of repetitive events.</span>
