(My mom is in the healthcare facilities) So they use them to keep their logs and to keep track of patients, AND to email people for meds.
Answer:
if you mean bloods then no because they can be found as carbohydrates which is the starch you can also brake down in the stomach which can also be left as chemicals but yes most of the time they are found in the bloods and the white bloods cells and the red bloods cells help defending and carrying the chemicals which are found in the body
Explanation:
You could do rice water treatments and protective hairstyles (looser ponytails,braids)hair masks once a week to keep your hair hydrated