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

[Q]: Aerobic exercise helps improve the cardiovascular system, while anaerobic exercise causes muscles to get bigger and stronger.
[A]: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger?


[Q]: Pressure and vibration are examples of physical type of stimuli.
[A]: Pressure and vibration are examples of what type of stimuli?


[Q]: The thyroid gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland.
[A]:
Which gland is controlled by a negative feedback loop that includes the hypothalamus and pituitary gland?