Answer:
Prostaglandins
Explanation:
Prostaglandins are a class of lipids, that are secreted in the event of an injury, tissue damage or contraction. They're said to occur in almost every human organ. Contraction simply put, is when the inner muscles, the uterine begins to tighten and release at intervals during or before child-birth. So prostaglandins in this case helps to cause these contractions to occurr. it does this by also softening the cervix, making it ready for contraction.
hope this helps?
B. astigmatism is the best answer, it definitely gives distorted images.
Nearsightedness is where you can't see things clearly unless they are really close up to the eyes. Farsightedness is where you can see things better the farther off, but both of those may still leave you seeing blurry. Sclera is just part of they eyeball, the outer white layer.
Answer:
"Continents of the World" is the Topic