When the sarcomere contracts and shortens, .

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

Describe the concept of interval training. what is the benefit of this type of training?

The process by which the diameter of the bone increases is called? a-metaphysic b-appositional growth c-diaphysics d-epiphysis