I would say this would be the second one or maybe the last one , hope this helps !
Answer:they are unsafe and safe at the same time
Explanation:
Chlamydia is very common and can go unnoticed for months or even years. if left untreated it can cause infertility, pelvic inflammation,discharge.
Im pretty sure the first one is cells, theyre basically what make us.
the second one may be muscles but im not entirely sure.
but the third one should be jobs or function. different cells can do different things
