The body would die.
Without a heart pumping blood throughout the body, a person would die.
There may be issues
Yes. You will find an blood cell in an animal and human body only.
Blood
Then the human body wouldn't exist. XD
the body would not be able to control sugar levels in the blood
Blood would not travel through the body, nourishing and oxygenating the organs.
About One Hundred quarts in the Human Body
To "invent" something is to create it. No human created human blood - because what would humans have had before?
There is 32 fluid ounces in a quart. There is 29.57 milliliters in a fluid ounce.
It would simply cease to work.
In space, a human body would experience a lack of gravity, which can lead to muscle and bone loss, changes in blood circulation, and difficulty regulating body temperature. Without protection from the Earth's atmosphere, the body would also be exposed to harmful radiation and extreme temperatures, which could be fatal without proper equipment and precautions.