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

Would it make sense to add more points to the graph from x=0 to x=10? Would it make sense to connect the points with a line? Explain.
Is 3/8 equivalent to 3/8
which sum or difference is equivalent to the following expression 2x + 3/4
The nuclear forces are made up of which two forces? A.electromagnetic force and gravity B.kinetic force and gravity C.mass defect and nuclear binding energy D.
I have no idea! please answer them
A population of a wild animal is a frequent target for hunters. Hunters tend to hunt the larger animals with big horns. How might this affect the populations in
evaluate 5 minus t divide by 3 when t = 12
Tyler is a police officer out on patrol. after talking on his radio to his dispatch, tyler uses words such as "copy that " and "10-4". these words are known as
The term “Pangaea” was first used by Alfred Wegener. He proposed the __________ theory. A)continental shelf B)floating continent C)hyper continent D) continent
what must happen before meiosis can begin?