Which experiments led to changes to the original cell theory ?

The experiments that show all cells are similar in the how they metabolize and in their composition.

Explanation:

The cell theory states that ;

1. All living things are made up of cells.

2. Cell is the smallest, functional and structural unit of life.

3. All cells come from preexisting cells through process of cell division.

The experiments that show all cells similar in how they metabolize and in their changed has led to changes in the original cell theory states above.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.