Answer:
A system is the combination of different kinds of organs for functioning or performing special tasks in our body. For Example : Skeletal System.
<span>The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units. A membrane is the cell’s interface with the rest of the world - it’s gatekeeper, if you will. This phospholipid bilayer determines what molecules can move into or out of the cell, and so is in large part responsible for maintaining the delicate homeostasis of each cell.</span>
Answer:
what they are classified as the chemicals in them and what category there in
Explanation:
A mineral is a solid, inorganic, naturally occurring, ordered arrangement of an element or compound that has a fairly specific composition.