Complete the following analogy. General is to army as nervous system is to body. TRUE OR FALSE

Which of these organisms have the greatest amount of cell specialized

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria