Did you know the cornea has no blood vessels to nourish it or protect it against infection? Instead, tears and a fluid in the back of the eye (aqueous humor) nourish the cornea. For more facts about the cornea, visit and -----
https://www.youtube.com/channel/UC6QiaMqUNnv3kkHI3N4v82A
Comments
Post a Comment
Thanks for showing interest. Join on Telegram Search airforcestudy on Telegram App.