Which statement describes the u. s organ donation system?
a. it is mandatory.
b. the waiting lists for organs are very short.
c. the only types of organs that can be transplanted are kidneys and hearts.
d. transplant recipients receive organs for free.

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?

What hormones (at least three) are responsible for human growth and development and what do they do? describe what menstruation is and how it relates to reproduction. what are common emotional and physical challenges that arise during transition from child to adult? include and describe at least three challenges. what steps can you take to ease your own transition and be sensitive to others when they experience theirs? analyze the role of hormones in growth and development. how does this relate to your own personal health?

How many calories do you need to take away one pound