To whom does the World Health Organization strive to provide equal access to healthcare services?

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.

Protein deficiency can result in a malfunctioning metabolism, a weak or irregular immune system, and possible blindness and deafness a rapid period of weight loss a significant and rapid weight gain damage to connective tissue and bones

Answer for brilliant answer which of the following does best explains why cells remove waste? a. to create energy b. to form identical cells c. to break down glucose d. to maintain homeostasis