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 transports blood (a fluid) throughout the body, while the lymphatic system moves lymph (another fluid) to maintain fluid balance and immunity. These are the two main systems responsible for fluid movement. Other options include systems not primarily involved in fluid transport (e.g., immune, skeletal, muscular, respiratory).

Answer:

A. circulatory system, lymphatic system