In the United States, almost half of all IVF babies are low-birthweight twins or triplets

As a psychology major, Maria has demonstrated the ability

to listen efficiently, to write psychology reports in APA style, to make oral presentations as an individual and in groups, and to use charts and graphs to clarify the information presented. According to the Guidelines for the Undergraduate Psychology Major, she is most fully demonstrating skills. Fill in the blank with correct word

In the brain, ____________________ are the morphine-like substances produced that serve as the body's natural painkiller

Fill in the blank(s) with correct word