Can somebody help me do this im confused??

Conjunctival membrane;

Bhope i helepd

Narcotics treat pain so pain control is the answer

Of that are from eating black  foods or iron supplements. the most common condition causing  it is a bleeding ulcer.  black poop caused by blood indicate a problem in the upper digestive tract.     along with pain, vomiting, or diarrhea is cause to see a doctor right go see a doctor