1) The circulatory system interacts with other body systems. How does the circulatory system help the excretory system and the digestive system do their jobs?
Answer: Everyone's digestive system absorbs different types of nutrients from the specifc food you eat-
2) Choose one system and explain what would happen to a runner if that system failed to work properly.
Answer:For instance in you're muscular system if a particular organ stops working that'll cause severe damage to other possible features in you're muscular system.