5. Which of the following is not a defense mechanism?

Which of the following statements is true about body composition? a. body composition is the percentage of fat to lean body mass. b. body composition is a measure of one's body weight. c. body composition is a measure of one's essential body fat. d. body composition is not a good indicator of overall health. select the best answer from the choices provided. a

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.

In one paragraph, explain how technology has influenced the perception of body image and weight management in both negative and positive ways. use supporting details in the form of facts, statistics, and examples. in another paragraph, describe an individual healthy weight-management plan. the plan should include specific details about goals, diet, exercise, and evaluative monitoring.