Schleiden and Schwann determined which of the following statements regarding the cell theory?
A. All cells come from existing cells.
B. All cells are microscopic in size.
C. The cell was discovered by Anton van Leeuwenhoek.
D. The cell is the basic unit of life in all living things.

c. The cell was discovered by Anton Van Leeuwenhoek

Explanation:

cells are made of every living thing but they were not discovered by Scleiden or Shwann

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.