Originally posted by Cybernet
I have been thinking for several days now about blood.
I have been trying to figure out... Where it came from?
What do you mean where did it come from? Blood, is found in almost all living things. Of course what is referred to as blood is both complex
in some organisms and simple in others. Plants have their own versions of blood, as do insects but for the sake of your thread, we will assume the
blood you're questioning is that of mammals.
Blood, is a product of respiration, our bodies cellular processes rely on oxygen to provide energy, by breaking down carbohydrates and starch. Single
celled organisms do not require "blood" because all of the exchange of oxygen is done straight through the cell membrane. How ever, we are a complex
organism comprised of multiple cells, which can not get their oxygen from the environment around them with out it being supplied to them. So Blood,
was a necessary step of evolution.
I have been trying to figure out... What was the first life form to carry it?
The first complex vertebrates, and invertebrates.
I have been trying to figure out... Why does it exist in the first place?
To transport Oxygen, nutrients, hormones, and enzymes through out the body. With out it, you would not breath, eat, think, do anything.... in other
words, you would be dead.
I have been trying to figure out... Why is it so important?
I have been trying to figure out... Why is it usually red?
It's only red, while it's oxygenated. Blood is blue, when it has released all it's oxygen.
I have been trying to figure out... Why can it supposedly have other colors as well?
Blood is red when it's rich in oxygen, and blue when it is not.
I have been trying to figure out... Why is it not exclusive only to humans?
Because we are animals. We have gotten to where we are today, because our intelligence and a large portion of luck. If a lion had the mental capacity
we do, perhaps they would be writing about the great antelope conspiracies, and stories of strange hairless apes abducting them.
I have been trying to figure out... Why are there so many blood types?
Nature, variety in genetics ensures the survival and endurance of a species.
I have been trying to figure out... How much can it be altered and manipulated?
Seeing as blood is composed of Red Cells, White Cells, Antibodies, Enzymes, Platelets, protein, water, hormones I would say it could be manipulated
just as much as any other heterogeneous mixture of cells in the body.
I have been trying to figure out... What is the connection with ET?
I have been trying to figure out... Why is it after all these years so little that we know?
What do you mean? We know a lot about blood, there is an entire medical science dedicated to it. See
Let's discuss together and try to find out.
How about you do some research, and then we can discuss all you like about blood.
edit on 26-8-2013 by Hijinx because: (no reason