Words of Day Set 2

What is the passive movement of molecules or particles from an area of higher concentration to an area of lower concentration?

What is  the movement of water across a semipermeable membrane?

What is a mature bone cell?

What is a cartialge cell?

What is a fat cell?

What is a red blood cell?

What is a white blood cell?

What is a bone building cell?

What means relating to the thin tissue forming the outer layer of a body's surface and lining the hollow cavities and organs?

What is a lack of blood cells?