brady138 brady138
  • 04-01-2019
  • Health
contestada

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

Respuesta :

alleah77
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

Fern rounded to the nearest ten to estimate 548-132. She subtracted 540-130 and got 410. Is Fern's estimate correct? Explain.
how a convection current can enable a hawk or eagle to soar upward without flapping its wing
If the diameter of a circle is 5.5 cm what is the radius ?
what is the best way to find out the subject of a map
a cube has surface area 6534 square feet. what is the volume
If 3 and 4 are magnitudes of vector quantities, when will the magnitude of their sum be 5?
What is the subject and predicate of this sentence. she cooked breakfast over the camp fire
what is breaking apart of 6x6
Choose the correct function/equation for the following description. A linear function whose graph has y-intercept 6.
Which rational number is greater? — 0.76 or 0.76? And why?