Most skeletal muscles are in pairs so that one muscle alternates with the other muscle to equalize the work load. one muscle flexes (bends) and the other muscle extends. one muscle does more work and the other muscle does less work. one muscle uses more energy and the other muscle uses less energy.

If gonorrhea is a treatable infection why do so many men experience severe damage and even in infertility or joint infections as a result of leaving it untreated

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.

The structure shared between the male reproductive system is the