Question: The circulatory system and the endocrine system work together in the human body. Which describes one way in which these systems interact?

  Options: 
 A. taking in oxygen and transporting it to cells of the body
 B. releasing hormones and transporting them to cells of the body
 C. absorbing nutrients from food and transporting them to cells in the body
 D. collecting waste products from the cells and transporting it out of the body
Answer: B