Answer:
Muscle contraction is the activation of tension-generating sites within muscle fibers. In physiology, muscle contraction does not necessarily mean muscle shortening because muscle tension can be produced without changes in muscle length, such as by holding a heavy book or a dumbbell at the same position. The termination of muscle contraction is followed by muscle relaxation, which is a return of the muscle fibers to their low tension-generating state.
Explanation:
Answer:
That contraceptives such as condoms protect from STD's but not 100% protection from babies. Contraceptives such as the pill or IUD's do not protect against STD's but not completely effective either. Appropriate personal limits may include reducing the amount of sex you have or only doing what you are comfortable with
Explanation:
Make Goals
Take Things One Step at a Time.
Keep a Journal to write down things that make you happy.
