Which hormone is responsible for regulating blood sugar levels in the human body?

What is the primary function of the nephrons in the kidneys?

What is the primary function of the pancreas in the digestive system?

What is the name for a large, bowl-shaped depression in the Earth's surface, often caused by the impact of a meteorite?

What is the primary gas in Earth's atmosphere?

What is the primary function of the stomach in the digestive system?

In the water cycle, what is the term for the process by which water vapor is released from the surface of leaves into the atmosphere?

Which part of the human brain is responsible for coordinating muscle movements and maintaining balance?

Which moon of Uranus is named after a character from William Shakespeare's play "A Midsummer Night's Dream"?

What is the term for the process by which rocks change form or structure due to heat, pressure, or mineral composition changes?