In the human menstrual cycle, ovulation occurs when an unfertilized egg is released from a follicle in the ovary. the ruptured follicle then develops into a temporary endocrine structure known as the which secretes estrogen and progesterone.

What type of competition exsist between two species. turtles and fish

Where in the cell are ribosomes made?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased