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No, it is not possible for you to have a period without blood. Menstruation is the shedding of the uterus lining, which includes blood.
actually, it's possible to live without a heart, but you must have it replaced by another thing that circulates your blood.
No. Without blood circulating in the body, we can't survive.
Yes, this is very possible. Blood is only needed in adults bodies. Right now, babies are being born without blood and suriving.
yes
Yes. Get to a doctor as soon as possible
yes because if you dont have a blood tester you never know
deoxygenated blood
I would definitely take him to your vet, it's possible he has injured himself in some way; if left it could become infected.
well, fleas live on blood, so its possible
Blood coming from the lungs has lower pressure while that from the heart has higher pressure. Blood coming from the lungs also has higher oxygen content and lower carbon dioxide content compared to that coming from the heart.
The next coming blood moon isOctober 8th