Question

question 1
your lymphatic system quietly plays a role in supporting both you _______ system and _______ system.
cardiovascular / respiratory
lymphatic / reproductive
respiratory / immune
cardiovascular / immune

Explanation:

The lymphatic system returns excess interstitial fluid to the cardiovascular system (maintaining fluid balance) and is a key part of the immune system (transporting immune cells and fighting infections).

Answer:

D. Cardiovascular / Immune