Weight-bearing activities, like weight lifting and walking, can bones become thicker and stronger. which level of structural organization is responsible for creating new bone?
a) tissues
b) organs
c) cells
d) organ systems

Which of the following identifies the main culprit for america’s increasing weight gain?

What behavior of an expectant mother is unhealthy for the fetus

During his workout yesterday, anthony pushed himself by lifting heavier weights. today he is feeling good, but his muscles are sore. what principle is at work in this situation? a. specificity b. progression c. overload d. reversibility