Question

the ____ and ____ are the main systems that move fluid throughout the body.
choose one option
a circulatory system, lymphatic system
b immune system, circulatory system
c skeletal system, muscular system
d lymphatic system, respiratory system

Explanation:

The circulatory system moves blood (a fluid) via the heart and blood vessels. The lymphatic system transports lymph (another body fluid) to maintain fluid balance. Other options include systems not primarily responsible for fluid movement (e.g., skeletal, immune, respiratory).

Answer:

A. circulatory system, lymphatic system