A teacher has asked some groups of students to investigate the relationship between the organ systems of the human body. One group of students made the argument that many of the systems are related to each other. How can the illustration be used to support this argument?

Choose the correct answer.

The nervous system produces signals that control all of the body’s muscle movements.

The skeletal system provides the physical support for the respiratory system.

The digestive system breaks down food into nutrients that are transported by the circulatory system.

The endocrine system sends hormones to target organs in response to signals from the reproductive system.