Answer:
Your white blood cells are part of the immune system (helps fight off disease) while your red blood cells are part of the circulatory system (transports oxygen and carbon dioxide between the lungs and the rest of the tissues in the human body)
Explanation:
Glaucoma - a disease that damages the optic nerve that sends pictures to the pain. if left untreated, it can lead to loss of peripheral vision.
It takes about one minute for a blood cell to make a complete circuit of the human body.
