Which part of the brain controls balance and coordination?

What is the main function of red blood cells?

Which organ is part of both the digestive and respiratory systems?

What protects the lungs and heart?

Which vitamin is produced in the body when skin is exposed to sunlight?

Which blood vessels carry blood away from the heart?

What is the main function of the small intestine?

Which part of the body connects muscles to bones?

Which system controls all voluntary and involuntary actions?

What is the normal body temperature of a healthy human?

Which part of the nervous system connects the brain to the rest of the body?

Which organ stores bile produced by the liver?

Which type of muscle works without our conscious control?

Which blood group is known as the universal donor?

Which organ is responsible for filtering blood and forming urine?

Which gas is released during respiration?

Which bone protects the spinal cord?

What is the function of white blood cells?

Which organ produces insulin?

Which part of the eye controls the amount of light entering?