Answer:
Brain stem and spinal cord
Explanation:
The central nervous system consist of the spinal cord ,brain and the sensory organs
Answer:
Specific changes from the normal numbers/types of formed elements and/or plasma constituents are characteristic of certain disease states
Explanation:
Developmental age is the range at which a typical child will have the mental capacity to accomplish a task. Look under child development milestones. That gives you an age range of what a typical child can do from birth.