Your uterus is "shedding" its lining , but you should call your doctor and tell him or her about it. It happened to me and they call it shedding.
No, it is not possible for you to have a period without blood. Menstruation is the shedding of the uterus lining, which includes blood.
A bloodfest is another term for a bloodbath, or anything which involves the shedding of lots of blood.
Menstrual blood flow is a healthy and physiological phenomena. But it can not be used for transfusion of blood. As it contains shedding from uterine wall. That way, it can not be called as clean blood.
deoxygenated blood
No, menstrual blood is not produced in the ovary. Menstrual blood is the shedding of the uterine lining that occurs following ovulation if pregnancy doesn't occur.
blood
Yes, you bleed when you have your period. Menstruation is the shedding of the uterine lining, which includes uterine tissue and blood.
the blood that we shed
AB blood is co-dominant.
None, though in the wide sense of the question you sacrifice your own ego. Buddhism is not based on shedding blood.
Normal blood pressure is measured by two numbers that represent how much mercury is in your blood. A completely normal blood pressure reads: Below 120 / below 80.