Answer:
kháng thể, pentraxin và các tầng bổ sung và tiếp xúc
I believe the answer you are looking for is the excretory system.
The three best ways to reduce exposure to UV radiation is usually to wear sunscreen beyond a certain SPF. Additionally wearing clothes that cover as much skin as possible usually reduces exposure chances. Or lastly.... You could just stay inside.
There are benefits however to having some sunlight exposure. Vitamin D which a very important Vitamin for bone health can be supplemented by being out in the sun. Additionally you would also developer a skin tone that would look better instead of being deathly white.... Which actually also improves your Vitamin D absorption.
Answer:
comparison
Explanation:
Because you compare the 2 results to find how it helps, hope this helps.