Answer:
It is Biosphere.
The Biosphere --contains all the planet's living things. This sphere includes all of the microorganisms, plants, and animals of Earth. Within the biosphere, living things form ecological communities based on the physical surroundings of an area.
The common bile duct is formed by the union of the cystic duct and the common hepatic duct.
Answer:
Cristae or Cristal membrane
Explanation:
Cristae is a structure in the mitochondria which is a fold in the inner membrane and its function is to increase the surface area of the inner membrane of the mitochondria, allowing for faster production of ATP