Carbon Is the ________ Most Abundant Element by Mass in Living

question 213

Multiple Choice

Carbon is the ________ most abundant element by mass in living organisms.

• A)first
• B)second
• C)third
• D)fourth

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Definitions:

Melanocytes

Cells located in the basal layer of the epidermis that produce melanin, the pigment responsible for skin color.

Hematocrit

A measurement of the proportion of blood that is made up of red blood cells, usually expressed as a percentage.

Hyperpigmentation

A condition where patches of skin become darker in color than the surrounding skin, due to excess melanin.

Cutis Marmorata

A condition where the skin appears marbled or mottled due to vascular changes, often seen in newborns.