Nails (finger or toes)
kjk
The inner planets' surface materials differ from the outer planets because the inner planets have rocky surfaces and the outer planets have gas surfaces.
Antigens- Each human being has his or her own unique cell surface antigens, as do to all other living things, including bacteria, virus, animals, and plants.
Proteins many times line the outer surface of cells. These are used in diffusion and also provide support for the cell.
Outer space is outside the Earth, not anywhere on the surface of this planet.
Astrocytes.
Umm like skin dude.
preventing entry of pathogens
The curved outer surface of a circle is the perimeter.
The outer surface of the bone is called the periosteum.
Cellular receptors exist only on the outer surface of the plasma membrane
The word is Latin, derived from the Greek words for joint and foot.
The pericardial fluid provides some protection against shock and injury. In addition, it helps decrease friction at the outer surface of the heart.
they have coating of wax on the outer surface of their body
Exocrine glands secrete their products through a duct onto an outer surface of the body, such as the skin or the human gastrointestinal tract.
lining
cuticle
The outer surface of the moon is called the crust.