digestive and circulatory digestive and endocrine nervous and respiratory nervous and excretory
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The human body is made up of organ systems that work together as one unit. Which systems work together to prepare and distribute food for cells?
Possibilities:
- digestive and circulatory
- digestive and endocrine
- nervous and respiratory
- nervous and excretory

digestive and circulatory