<span>Hi
HIV weakens the immune system. At a late stage, so it makes the body vulnerable to infections. It is transmitted sexually or through blood, or the pregnant woman to her child.
HIV is different from other viruses because it attacks the immune system, which normally role combat<span>.</span></span>
Answer:
The correct option is: B) echovirus
Explanation:
The echovirus is a highly infectious RNA virus, which is present in the gastrointestinal tract and is responsible for causing aseptic meningitis, commonly called viral meningitis.
This virus is predominantly transmitted in humans via the fecal-oral route. It can also be transmitted via respiration of oral secretions such as saliva.
<span>After the first year of life, adolescence is the most important period of growth of the whole life of a person. <span>The nutritional needs of adolescents are soaring.
</span>The recommended energy intake depends on the stage of growth, genetic factors, and physical activity level. <span>It varies between 2 100 and 2 900 kcal per day in girls, and 2400 and 3500 kcal in boys.
</span><span>Indeed, nutritional needs are especially increased, related to the pubertal growth (skeletal and muscular development).
</span><span>The nutritional needs of adolescents
</span>The nutritional needs of teenagers are higher than all other ages. <span>Note, however, that children of the same age and sex may be at very different stages of development.
</span><span>It is therefore difficult to provide quantified nutritional recommendations.
</span><span>However, adolescents, whatever their stage of development, have higher nutritional needs in protein, calcium and iron.</span></span>
