Muscle architecture is the physical arrangement of muscle fibers at the macroscopic level that ... Parallel muscles can be further defined into three main categories: strap, ... The fibers in fan-shaped muscles converge at one end (typically at a tendon) and ... Jump up to: Lieber, Richard L., Friden,
Explanation:

At the heart of it, the main difference is that a product business sells physical, tangible objects, whereas a service business provides value through intangible skills, expertise and time.
Answer: they have week immune systems
Explanation:
that’s what happens when you get old