Answer:
B. it reduce friction when you move your joints
Because they take place at an atomic level and are unable to be seen by the human eye
The six most common elements inliving things are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur. Atoms of these elementscombine and form thousands of large molecules. These large molecules make up the structures of cells and carry out many processes essential to life.
What is the select that all apply?
Has left and right sides and usually displays cephalization.
