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  • j’ba Fofi

    j’ba Fofi

    There are certain physiological limits in biology,insects can only grow to a certain size due to the fact that too large a body and nerve impulses would become to slow for proper functioning. Size is also limited by the exoskeleton. Spiders have another issue related to size, and that is their book-lung respiratory system. A book-lung is an organ located on the abdomen of a spider which is responsible for oxygen transference. It only works up to a certain size organism. Read More