Human Body Systems

My main functions are to send electrical signals to all other body systems and deliver messages to the brain.

• circulatory system

• digestive system

• muscular system

• nervous system

• respiratory system

My main function is to transport blood and nutrients to the body.

• circulatory system

• digestive system

• skeletal system

• muscular system

• nervous system

My main function is to provide shape and support to the body.

• nervous system

• digestive system

• skeletal system

• muscular system

• circulatory system

My main function is to work with the skeletal system for the purpose of movement.

• digestive system

• muscular system

• skeletal system

• nervous system

• respiratory system

My main function is to exchange oxygen and carbon dioxide.

• circulatory system

• digestive system

• skeletal system

• respiratory system

• nervous system

My main function is to absorb food and its nutrients.

• digestive system

• circulatory system

• skeletal system

• muscular system

• nervous system

Why is the respiratory system so important?

• It controls breathing and gas exchange in the body.

• It controls digestion and absorption of nutrients in the body.

• It controls heartbeat and blood circulation throughout the body.

• It controls the internal body temperature and cools the body through sweat.

Which body system breaks down food to release nutrients needed for energy production?

• cardiovascular

• respiratory

• digestive

• muscular

How does the circulatory system work with the digestive system?

• Blood is used to build muscle strength.

• Food is broken down in the bloodstream.

• Blood carries nutrients throughout the body.

• Food waste is filtered by the heart and blood vessels.

How does the muscular system depend on the nervous system?

• The nervous system transports blood to the muscles.

• The nervous system provides support for the muscles.

• The nervous system supplies food and oxygen to the muscles.

• The nervous system sends signals to the muscles to cause movement.