<span>It means two things. One is that it attacks all foreign bodies, it's not specific to just one type of foreign bodies, and the other is that it's inborn and innate, meaning that you have a defense mechanism since birth, it's not aquired during life. If you're born without it you have to live in a bubble more or less.</span>
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the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
Answer:animals, birds, plants, fungi,
Explanation:
Answer:
Special properties of an oxygen-binding protein in the muscles of marine mammals, such as seals, whales and dolphins, are the reason these animals can hold their breath underwater for long periods of time, according to a new study. ... In fact, the amount was so high in the muscle that it almost looked black in color.
Explanation: