In the human body, organ-systems interact with each other to maintain homeostasis. Using the diagram above, select the answer that BEST explains how this system interacts with another.
A. The digestive and excretory systems interact to produce and remove waste from the body.
B. The circulatory and digestive systems interact to produce and deliver oxygen to the body.
C. The respiratory and digestive systems work together to produce and transport nutrients to all cells in the body.
D. The immune and digestive systems work together to provide protection against infectious organisms in the body.