Explore the Human Body Systems

What is the main function of the circulatory system?

• To break down food

• To transport blood throughout the body

• To control body movements

• To protect the body from infections

Which organ is primarily responsible for pumping blood in the circulatory system?

• Brain

• Lungs

• Heart

• Stomach

What is the main function of the digestive system?

• To provide oxygen to the body

• To break down food into nutrients

• To send signals to the brain

• To support body structure

Which organ is responsible for absorbing nutrients from digested food?

• Large intestine

• Small intestine

• Stomach

• Esophagus

What is the primary function of the respiratory system?

• To circulate blood

• To digest food

• To exchange gases

• To support movement

Which organ is responsible for taking in oxygen and expelling carbon dioxide?

• Heart

• Lungs

• Liver

• Kidneys

What is the main function of the nervous system?

• To support body structure

• To transport nutrients

• To send and receive signals

• To protect organs

Which part of the nervous system is responsible for processing information?

• Spinal cord

• Brain

• Nerves

• Heart

What is the primary function of the musculoskeletal system?

• To digest food

• To support and move the body

• To circulate blood

• To exchange gases

Which of the following is a part of the musculoskeletal system?

• Lungs

• Stomach

• Bones

• Skin