Henrico has gained a lot of weight in the past few months and overall he is feeling sluggish He does not feel sick, but be also just does not feel like himself. He has been exercising regularly and has not changed his diet. His friend sald that he might have a problem with his metabolism. What does this mean? He has been doing too much isometric exercise. OB He needs to do exercises that build his muscles. He should eliminate elements like wheat from his diet D. The chemicals in his body may not be properly balanced. Reset Next​

Vitamin d is unique in that it has a site of synthesis that is different from the location of action, so it is considered to be a click the answer you think is right. enzyme. lipase. nonessential nutrient. hormone?

Which of these is likely to be the best source of valid health information?

As you sit in the library with your friend studying for your weekly quiz on the integumentary system, you come upon an article about the hazards of prolonged exposure to the sun's rays. your curious nature leads you to research the subject further. you're fascinated to learn that minimal exposure to the sun allows you skin to manufacture vitamin d, which is important to maintain homeostasis. you also read that although sunscreen can protect you from the ultraviolet (uv) rays of the sun, some medications can actually increase a person's sensitivity to the sunlight.