Can be caused from there being a lack of Oxygen in the blood, but there can be other causes... if you have black blood see a doctor
Melena is the passage of black, tarry, and foul smelling stools. This is caused by the presence of digested blood in the stools.
It is time to see a doctor. Black-outs can be caused by low blood oxygen and low blood sugar. There are many drugs that can cause black-outs as well as physical problems that can cause black-outs..
Yes. His death caused the end of the Black family as all other members were females who married.
The black death was caused by rats with the fleas that had sucked bad bacteria contaminated blood out of a rats body. Then because the fleas find the nearest living thing, bites it and releases the disease into the blood of the victim, with causes them to become very sick with the plague.
The lungs could be gray or have black spots.
melanemesis: Black vomit caused by the mixing of blood with intestinal contents.
AVMs can cause bleeding into the gastrointestinal tract, resulting in hematemesis (vomiting blood) or melena (black or tarry stools containing blood).
The black jelly you speak of is more than likely a blood clot caused by pooling of blood in the vaginal canal after leaving the uterus. If this is a major problem, you should see your physician.
If your BM is black it is a sign of dark blood and a sign of upper GI bleeding (as opposed to bright red blood from lower GI / rectal bleeding). It can be caused by peptic (stomach) ulcer disease, & hemorrhagic blood diseases. "False" Black stool (no blood, just a dark color) can also be caused by certain medications but I think that is rare. You should seek prompt treatment by calling your doctor to rule out a medical emergency.
Sicilians do not actually have the color black blood. They get the expression black blood from there ancestors being or African American orgins. So in this aspect, yes, they have black blood.
Flying chocolate cows caused the black death.
Often, a small amount of blood can be caused by hemorrhoids or small fissures in the anus. The color of the blood is important to note. Bright red blood in small amounts indicate a problem at the end of the bowel. Black or dark blood indicate bleeding further up in the digestive system.