Which three systems of a rabbit's body must be working together for the rabbit to run away from a fox? circulatory, digestive, and endocrine digestive, reproductive, and nervous nervous, muscular, and skeletal excretory, muscular, and respiratory

There are many different systems involved in when we exercise, the three main ones are the Respiratory system which is involved in breathing the circulatory system which is about circulation of blood around the body and finally the muscular system and finally the Muscular system which is about how we move.

Explanation:

this would and i think the answer is d