Human Body Systems Quiz

Which system is responsible for the exchange of gases in the lungs?

• Nervous system

• Respiratory system

• Circulatory system

• Digestive system

What is the primary function of the circulatory system?

• Controlling body temperature

• Transporting oxygen and nutrients

• Breaking down food

• Exchanging gases

Which substance is absorbed into the bloodstream from the digestive system?

• Carbon dioxide

• Water

• Oxygen

• Digested food

What is the main role of the digestive system?

• Transporting blood

• Regulating hormones

• Exchanging gases

• Breaking down food

During cellular respiration, what is released along with energy?

• Water

• Oxygen

• Carbon dioxide

• Glucose