4. When the heart rhythm breaks down and the muscle fibers contract at random without
coordination, a life-threatening condition known as
exists.

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.

Dementia is most commonly associated with what?

Which of the following is not a fitness benefit of cycling a: very effective at burning fat b: provides an upper body workout c: provides an aerobic workout d: good exercise for out of shape people