This might seem a little odd but it's for science olympiad anatomy and here it is. Can someone please explain in DETAILS;

How urine forms
What ate lymph nodes and my last tips on how to study for the competition.
THANK YOU.

It would help if you proofread your questions before you posted them, e.g., ate.

Google "urine formation" and "lymph nodes."

Don't just copy the material. Express the ideas in your own words. Although this will take more time and effort, you will learn more.