Running and aerobics are bone-strengthening activities that
Lea may incorporate in her current plan. However, the kind of bone-strengthening
activities that should be done depends on the stage of development. For
children, adolescents and young adults, vigorous activities may be done because
it is the stage for building strong bones. On the other hand, adults aged 35
onwards have the tendency to have brittle bones or natural bone loss,
therefore, vigorous activities must be lessened in frequency.
Birth control pills prevent pregnancy<span> through several mechanisms, mainly by stopping ovulation. If no egg is released, there is nothing to be fertilized by sperm, and the woman cannot get </span>pregnant<span>. Most </span>birth control pills<span> contain synthetic forms of two female hormones: estrogen and progestin. i hope that helps :)</span>
<span>Muy importante porque si no sabes cómo funcionan las cosas entonces no sabremos cómo usarlo.</span>
ANSWER: A) triggers that cause stress.
