In the brain, the ________ serves as a relay station between the endocrine system and the central nervous system

What is the main problem with labeling children as "difficult"?

A. It is inaccurate, because all children can be difficult from time to time. B. It can become a self-fulfilling prophecy. C. No child is truly difficult. Some parents have unreasonably high expectations. D. It does not take into consideration the environment in which children are being raised.

According to the text, the two nutritional deficiencies that are most common among children in the United States are deficiencies of:

a. vitamin A and vitamin D b. vitamin D and calcium c. calcium and protein d. protein and iron