Please help im stumped. Multicellular organisms respond to external stimuli by coordinating cellular responses within and among tissues, organs, and organ systems. Which claim below accurately states how communication occurs within a body? A Red blood cells and white blood cells allow communications between different parts of multicellular organisms. B Bones and muscles allow communications between different parts of multicellular organisms. C Hormones and nerve impulses allow communications between different parts of multicellular organisms. D Chromosomes and genes allow communications between different parts of multicellular organisms.