Answer:
The ovaries are two oval-shaped organs that lie to the upper right and left of the uterus. They produce, store, and release eggs into the fallopian tubes in the process called ovulation
Explanation:
Usually if a girl becomes pregnant while still in her teenage years, it gives a higher chance of premature deliveries.
I am pretty sure that I know which word should fill this statement. Because they have similar chemical structures, morphine and other opiates are able to lock into receptor sites for endorphins. According to the definition and main functions of <span>endorphins, this option is the only suitable. Regards!</span>