What is the function of the endocrine system in the human body?

Which layer of the Earth's atmosphere is responsible for protecting life on Earth by absorbing harmful ultraviolet (UV) radiation from the Sun?

What is the term for the process by which rocks are transported and deposited by wind, water, or ice?

In the human digestive system, where does the process of mechanical digestion primarily occur?

Which layer of the Earth's atmosphere is characterized by the presence of the ionosphere and where auroras occur?

What is the primary function of the ozone layer in the Earth's atmosphere?

In optics, what is the term for the point at which parallel light rays either converge or appear to diverge after passing through a lens?

What is the function of the gallbladder in the digestive system?

What is the role of DNA in the cell?

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