Which change occurs only in males during puberty? a deepening of the voice
a change in body odor
the appearance of pubic hair
the beginning of menstruation

What is the type of contaminant that can cause foodborne illness

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.

It is just as important to develop our as it is to develop our bodies.