Given scientific fact as input, generate the question from this fact such that it can be answered from the input.

Example Input: Plant nutrition is the study of the chemical elements necessary for plant growth.
Example Output: What is the study of the chemical elements necessary for plant growth called?

Example Input: In the lungs, oxygen diffuses out of the alveoli and into capillaries.
Example Output: In the lungs, oxygen diffuses out of the alveoli and into where?

Example Input: Hormones generally travel through the circulatory system system of the body.
Example Output:
Through what system of the body do hormones generally travel?