What type of blood cells help the body fight infections?

Which common food item is a good source of dietary fiber important for digestive health?

Which substance in a catalytic converter helps reduce harmful vehicle exhaust emissions?

Which biological process allows water to move across a cell membrane from a region of low solute concentration to high concentration?

Which type of wave does light represent in terms of its propagation?

Which fluid in the lymphatic system helps transport white blood cells and remove waste from tissues?

What is the main function of the human skeleton?

Which organ stores bile produced by the liver until it is needed for digestion?

Which scientist discovered the law of gravity?

What is the primary component of bones and teeth?

Which vitamin acts as an antioxidant protecting cells from damage and is found in nuts and seeds?