Human skin consists of different parts that carry out different functions. I will answer the questions while also outlining the function of the part:
The epidermis is <span>the outer layer of skin that is responsible for the production of melanin and keratin.
Keratin is a protein substance necessary to healthy skin.
The dermis is the inner layer of the skin that contains hair follicles and sweat glands.
Sebaceous glands are responsible for the production of sebum
Sebum is an oily substance that protects the skin.
Acne is the result of sebum being trapped inn a follicle with a piece of dirt or bacteria.
Body odor results of sweat being allowed to sit on bacteria-crowded areas of the skin.
Washing is the best means of prevention of body odor and acne.
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Answer:
False.
Explanation:
Human body derives most of its energy from dietary fat.
Dietary fat is fat consumed in the food that we eat. Fat is a major source of energy in the diet and it provides nine calories per gram and it’s more than twice the number that carbohydrates or protein provide. Dietary fat is different than body fat. Pure carbs give a respiratory quotient of 1, while fat give 0.7. People that are on average diets have a respiratory quotient of 0.8. That indicates that fat is every organism's main fuel. If some is well trained, athletically, more fat and ketones will be used as fuel.
<span>A portable fire extinguisher can save lives and property. Nevertheless, it has limitation for it is only indicated to put off small fire. It is appropriate to use portable fire extinguisher when the room temperature is only slightly increased. In addition, one must decide to use portable fire extinguisher to fight a small fire only if the room is not filled with smoke and the fire is not growing. Therefore, the answer is B.
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