Your answer is AB
People who have AB blood are considered "universal receivers" because they can take every single type of blood; their bodies can safety use A (because it already contains some A type blood), B (for the same reason), and O (because it is a neutral blood type).
Hope this helps!
Answer:
The circulatory system has evolved over time from simple diffusion through cells, in the early evolution of animals, to a complex network of blood vessels that reach all parts of the human body. Made of specialized and unique cardiac muscle, it pumps blood throughout the body and to the heart itself.
Claps shut at birth. Evolutionary changes in the vertebrate heart are tied to change from single to double-circuit heart, with increased separation of oxygenated and deoxygenated blood, allowing more efficient respiration and circulation to fuel high activity and increased oxygen demands associated with endothermy.
Answer:
Endothermic since it takes place in the egg :)
An example of a person is not a bad guy and I don’t want him going back
