How Does Echo Work? - Science Quiz No. 13

Which organ is responsible for producing bile?
Which organ produces insulin to regulate blood sugar levels?
Which type of wave requires a medium to travel?
Which organ pumps blood throughout the body?
Who is considered the father of modern psychology?
Which organ removes waste from the blood?
Which planet has the longest day?
Which part of a plant absorbs water from the soil?
Which organ is responsible for detoxifying harmful substances in the body?
Which part of the brain controls balance and coordination?