Which blood vessels carry blood away from the heart?

Which layer of the Earth's atmosphere experiences the highest temperatures, even though it is farthest from the Earth's surface?

Which law of motion states that the rate of change of momentum of an object is directly proportional to the net external force acting on it?

What is the powerhouse of the cell, responsible for energy production?

In the human respiratory system, where does gas exchange with the bloodstream occur?

Which of the following is a function of the hypothalamus in the human brain?

What is the term for the region around a planet where its magnetic field influences charged particles, often creating auroras?

Which of the following is an example of a first-class lever?

What is the name of the massive cloud of gas and dust from which a star and its planets form?

Which space mission discovered the first evidence of liquid water on Mars, suggesting the possibility of past life?