brady138 brady138

04-01-2019
Health

contestada

A blackhead is an accumulation of oily material produced by what?

Respuesta :

alleah77 alleah77

04-01-2019

The oily material is produced by the sebaceous glands.

The dark black color, however, is not caused by a buildup of dirt, as many people believe. It is actually a build of of excess melanin that is trapped in a gland.

Answer Link

Otras preguntas

Explain why a mixed number is not in the set of intergers or whole numbers

How many magnesium ions are present in 5.36 x 10-4 mol of magnesium iodide?

how to Express each decimal as a fraction or a mixed number in a simplest form ? I need help with -0.14

Which best describes Germany’s standard invasion strategy at the beginning of World War II?a. Attack with a combination of speed and overwhelming forceb. Intimi

Who was Malinche and what other name was she called?

If Olivia and Shawn have another child, which of the following genotypes is possible for the child? A. Mm only B. MM only C. MM or mm only D. MM, Mm, or mm

What is the GCF of 80x3 and 30yx2??? (The 3and2 are exponets)

What Was Jackson’s perspective on the McCulloch v. Maryland Supreme Court Case

three consecutive even integers have a sum of 168. what's the value of the largest integer?

Solve the equation x=x+3