Skin cells form a protective barrier on the outside of our bodies. Which of the following statements best describes our skin?
A) Our skin is composed of dead cells that stay in place for several years, until they fall off and are replaced by a new layer.
B) Our skin is composed of dead cells on the outside that continually slough off and are replaced by newer cells from underneath.
C) Our skin is composed of living cells that continually slough off and are replaced by newer cells from underneath.
D) Our skin is composed of living cells that stay in place for several years, until they fall off and are replaced by a new layer.
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D) Our Skin cells form a protective barrier on the outside of our bodies. Which of the following statements best describes our skin?
A) Our skin is composed of dead cells that stay in place for several years, until they fall off and are replaced by a new layer.
B) Our skin is composed of dead cells on the outside that continually slough off and are replaced by newer cells from underneath.
C) Our skin is composed of living cells that continually slough off and are replaced by newer cells from underneath.
D) Our skin is composed of living cells that stay in place for several years, until they fall off and are replaced by a new layer.
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