Q: The human body is composed of different systems made of specialized cells, tissues, and organs. Each of these structures has a specific function that aids in the survival of the human species. Which organs are used in reproduction?
A: ovaries, uterus, and fallopian tubes

Q: In one of the steps of the carbon cycle, a person exhales a molecule of carbon dioxide (CO2) into the atmosphere. Which of the following is most likely to happen next to the atom of carbon in this molecule?
A: It may be used as part of a sugar in a plant.

Q: In the human body the digestion of proteins takes place primarily in which two organs?
A: Stomach and small intestine

Q: Which of the following is a characteristic of all chemical changes?
A:
A new material is formed.