Which structure connects the throat to the lungs and branches into smaller airways within the chest?

Which planet in the solar system is known as the Red Planet due to its iron oxide rich surface?

Which organ produces insulin to regulate blood sugar levels in the body?

Which natural disaster is measured using the Richter scale?

Which gas law states that pressure and volume of a gas are inversely proportional at constant temperature?

Which fluid lubricates joints and reduces friction between bones during movement?