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Well if it's been left on a pad or whatever for a while then basically because that's what it is. Period blood is in fact, mostly the lining of the uterus (which had thickened in preparation for pregnancy) being shed. If it's been sitting out for a while then it will, essentially, start to rot. It will harbor LOTS of bacteria, so you should change your pad often. Or use tampons, which aren't exposed to the air so don't "go bad" as quickly.
What else can I help you with?
Name an animal who cam live in water for sixteen hours?
A bottlenose dolphin is an animal that can live in the water for about sixteen hours at a time. Dolphins are able to stay submerged for long periods by slowing their heart rate and redirecting blood flow to essential organs.
Is an example of parasitismWhich of the following is an example of parasitism?
Worms consuming the blood of an animal
What is the Difference between human blood from animal blood?
Human blood contains different types of cells (red blood cells, white blood cells, and platelets) compared to animal blood. Additionally, human blood is rich in hemoglobin, which carries oxygen, while some animals have other proteins that serve a similar function. The composition and structure of blood components also vary between human and animal blood.
Do you turn into an animal when someone injects animal blood into your bloodstream?
No, because it is not your blood, or your blood type (unless it is another person with the same blood type) and so your body will naturally reject it. Also, your body isn't a fool, and si it won't change your entire identity in something a simple as that! Even if the person/animal has the same blood type as your blood and it accepts it, you don't change into that person or animal, your body changes the DNA in the blood to make it your own, plus, just a little injection of blood won't change ALL of the rest of your blood! But, be careful, you could get horrible diseases from it, like HIV, AIDS, or others like that, which may kill you!
How many types of bats drink animal blood?
Vampire bats live on blood.
How does a whale shark find food?
When it smells blood.
Why do period blood smells?
Because it is old not fresh
What determines someones blood type?
What it smells like
Where does the blood in your periods get out of?
your vagina
What does Bella say blood smells like?
In Twilight, Bella describes blood as smelling metallic and salty.
When Bruce smells blood what does his two friends declare?
Intervention!!
In Twilight what does Bella say blood smells like?
Bella says blood smells like salt and rust
What animal cries blood?
No animal cries blood
How does miscarriage blood smell like?
I think it smells like the blood loss you would normally get after childbirth
Where does the blood from normal periods go?
The blood travels from the uterus out the vagina.
Does rust have a smell?
Rust? it indeed has a smell! it smells like blood.
How does vampire bat find its food?
the ba t smells the blood
