A normal respiratory rate for a toddler would be _____ per minute

Advanced medical directives usually:

A) declare the wishes of a patient should he or she be incapacitated. B) assigns a family member to make decisions regarding medical care. C) both A and B. D) neither A nor B.

What hormone increases the number and activity of osteoclasts, which decreases bone calcium and increases blood calcium?

What will be an ideal response?