the protein in your red blood cells that carries oxygen throughout your body. When hemoglobin binds with oxygen, it turns bright red. When it drops off that oxygen to your tissues and organs ...

Bright red blood in your stool, also known as hematochezia, is a sign of bleeding in the lower digestive tract. It is most likely caused by a condition like hemorrhoids or diverticular disease.

The color of a person’s period blood can indicate different health conditions. For example, a bright red period indicates a healthy flow, while darker red or dark brown can signify pregnancy.

You may see bright red blood on the toilet paper, or have drops of blood in the toilet after a bowel movement, Houghton says. Aside from bleeding, you may also have symptoms like pain, swelling ...