1.)which is the correct order of the organization of the human body? a.)cell-tissue—organ-organ system-organism b.)cell-organ-system organ-tissue-organism c.)tissue-organ-cell-organ system-organism d.)organ-organ system-tissue-cell- organism 2.)the brain belongs to which body system? a.)cardiovascular system b.)digestive system c.)muscular system d.)nervous system 3.)which body system would you expect to provide you the most protection from the colds and the flu? a.)cardiovascular b.)integumentary c.)nervous d.)respiratory