If blood appears dark, that is an indicator that it is not fresh. If a person is seeing dark blood in their urine or stool, they should see a doctor immediately. It is possible that there is a serious problem.
Consuming Oreos may cause dark stool due to the dark color of the cookies, but it is usually not a cause for concern unless accompanied by other symptoms.
Bright red blood is called frank blood, its fresher. Dark red blood is older blood that has been sitting for a while. The colour of fresh blood, say from an open wound, can be different due to variances in the number of red blood cells that person has. why this blood dark red? The amount of haemoglobin (red blood cells) that are in a person can differ slightly, this may cause some peoples blood to be darker than others if its fresh, otherwise see above...
When you are in the dark, your eyes adjust to low light by dilating the pupils to let in more light. This can cause the red color of blood vessels in the back of your eye to become more visible, giving the appearance of red vision.
The blood received by the right atrium is dark red because it is deoxygenated blood returning from the body tissues. Deoxygenated blood appears dark red due to the presence of deoxygenated hemoglobin.
Dark brown vomit can indicate the presence of old blood in the vomit, possibly due to bleeding in the stomach or upper digestive tract. It is important to see a doctor if you are experiencing dark brown vomit to determine the underlying cause and receive appropriate treatment.
usually when blood stops flowing all the way to your finger tip it turns black cause your fingertip receives no blood
I don't know, I'd contact a doctor specializing in this.
it can cause dark urine. but some people have no overt symptoms of kidney disease which must be diagnosed by blood and urine tests.
when blood dries, it can get pretty dark and look black. and if its dirty it could look black.
Dark Blood was created in 1993.
Yes, but this would be seen in arteries and they do not take blood for donations from arteries.
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if it is oxygenated it turns black You drank little too much coffee
Changes in menstrual periods can happen for many reasons. Dark blood in scant amounts might be a sign of a problem and should be evaluated by a doctor.
The most likely cause of the dark urine is dehydration. If it contains blood, there may be an infection or internal bleeding, and you would need to see your veterinarian as soon as possible.
Dark red blood is oxygen-poor. Bright red blood is oxygen-rich.
No there is not blood