The answer is body's line of defense. The first line of defense which includes physical as well as chemical barriers would defend the body from infection. It would include the tears, cilia, stomach acid,urine, white blood cells,mucus and the skin. The skin is the largest organ and would act as a barrier from pathogens. If first line of defense won't work the second line will then be activated.
Answer:
Explanation:Dissatisfaction with body image and unhealthy eating behaviors are important issues for adolescent girls. Many young women believe that they are overweight and want to weigh less.
Several cross-sectional studies have reported a positive association between exposure to beauty and fashion magazines and an increased level of weight concerns or eating disorder symptoms in girls.
A study of the relationship between media and eating disorders among undergraduate college students found that media exposure predicted disordered eating symptomatically, drive for thinness, body dissatisfaction and ineffectiveness in women, and endorsement of personal thinness and dieting in men.
In a cross-sectional survey of 548 girls from grades 5 to 12, participants self-reported the frequency of reading fashion magazines, and attitudes and behaviors, including dieting and exercise.
Answer:
D. decreasing p or increasing B.
Explanation:
From the formula presented for the sake of answering this question as shown below:
n = Np (1-p)/
(N-1)B squared/4 + (p) (1-p)
Hence, the number of subjects can be reduced while having the least impact of the study reliability if we decrease the proportion of subjects needed (p) or increase the acceptable amount of error (B). This way, the study still remains reliable.
D. having trouble relaxing
D, routine medical checkups are used to catch and prevent health issues.
