Concerning skin, what statement is true? * A) The dermis is thinner than the epidermis
B) Melanocytes are mainly sweat glands
C) The surface of the epidermis is mostly made of dead cells that continuously flake off.
D) Blood vessels are located in the epidermis.

How are rocks that cooled within magma chambers found on earth’s surface today? they are pushed up by magma under earth’s surface. they are revealed by erosion of earth’s surface over time. they are pushed to earth’s surface because of their larger size. they are revealed at earth’s surface due to their low density.

I've created a synthetic cellular membrane that is made up of phospholipids, but contains no proteins. which of the types of movements across a membrane would not function with my synthetic membrane?

All of these things can block a bronchus and cause collapse of a lung except