How do nicotine and tobacco cause cancer? by decreasing blood-sugar levels
by damaging or changing a cell's DNA
by increasing heart rate
by increasing phlegm and mucous productio

What do you do if you fall over and bend your big toe all the way forwards?

Your an average, moderately active adult female . therefore , you should consume approximately calories and 60 grams of fat.

Which of the following best reflects what we know about how the flu virus moves between species? a) the flu virus in a pig is mutated and replicated in alternate arrangements so that humans who eat the pig products can be infected.b) a flu virus from a human epidemic or pandemic infects birds; the birds replicate the virus differently and then pass it back to humans.c) an influenza virus gains new sequences of dna from another virus, such as a herpesvirus; this enables it to be transmitted to a human host.d) an animal such as a pig is infected with more than one virus, genetic recombination occurs, the new virus mutates, the virus is passed to a new species such as a bird, and the virus mutates again and can now be transmitted to humans.