Answer: O- People with O- blood can give blood to anyone. The other blood types can only donate to certain people depending on their blood type. For example, if you are AB+ you can only donate to other AB+ blood types, but you can receive blood from anyone.
Answer: Beak An octopus has two eyes and four pairs of arms... it is bilaterally symmetric. It has a beak, with its mouth at the center point of the arms.