The correct is the first answer.
Fourteen-year-old warren has undergone a rapid increase in height and weight. warren is experiencing the adolescent growth spurt
His age is around when adolescent growth spurt start. In this time, the growth hormone secretion is increased substantially, increasing the growth speed.
The nervous and endocrine systems<span> exert the ultimate control over </span>homeostasis<span>because they coordinate the </span>functions<span> of the </span>body's systems<span>. Regulation of </span>body<span>temperature, blood pressure, pH, and glucose concentration are four examples of how the </span>body<span> maintains </span>homeostasis<span>.</span>
