Answer:
Certification.
Explanation:
Certification is the formal attestation or confirmation of certain characteristics of an object, person, or organization. This confirmation is often, but not always, provided by some form of external review, education, assessment, or audit. Accreditation is a specific organization's process of certification.
The kidneys filter out the good stuff and the bad stuff.
A. I’m 99% sure because one is released every time a woman ovulates