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as they feed on blood of animals not humans.
yes, some types of animals though have differant blood types than humans. They all have blood types so if they had a blood transfusion then they would need to get there blood type first.
Yes. You have MN system of blood group in humans.
O blood
a group of animals or plants that are very similar are of the same ______- what
o
In short, humans belong to the primate group.Kingdom:AnimaliaPhylum:ChordataClass:MammaliaOrder:PrimatesFamily:HominidaeSubfamily:HomininaeTribe:HomininiGenus:HomoSpecies:H. sapiens
blood vessels
By definition a tissue is a group of similar cells that act in a similar way.
Every vertebrate animal has a brain with similar functions to a human. Animals do 'think' but no one can be sure just how animals do their thinking. Most people would say animals cannot form "thoughts". BUT from the way some animals behave, many people do believe animals think and have feelings similar to humans. For examples: Elephants group together to solve problems and will not leave a calf behind. Dolphins seem to have thought processes. Some even seek humans for help.
Modern humans belong to a group called hominids. Homo sapiens, or humans, are the only surviving species of hominids. Hominids are part of a larger group of animals called primates, which includes monkeys and apes. Humans are also mammals.
Blood type O is known as the universal blood group as it occurs most often in humans.