Well many, as depending on what language you are saying the word in, it will be spelled differently. Google also had a search engine spelled Cuil but pronouned 'cool'.
Answer:
A) It replaces damaged cells. - I believe this is correct
B) It creates a barrier over the bruise or wound.
C) It releases a substance that heals the bruise or wound.
D) It stops blood flow in the area of the bruise or wound.