1. What is the difference between elimination (feces) and excretion (urine)? What is the body getting rid of in each case? 2. How does the lymphatic system support the work of the circulatory system?...

1. What is the difference between elimination (feces) and excretion (urine)? What is the body getting rid of in each case?

2. How does the lymphatic system support the work of the circulatory system? How does it support the work of the immune system?

3. How do tears help defend your body against pathogens?