In patients with emphysema, what is the main stimulus of respiratory regulation?

The chemical form of energy that is useable by the cell to do work

Categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. makes predictions

How are fungi more like an animal? they have a cell wall. they are heterotrophs that absorb their food. they produce seeds and have membrane-bound nucleus. they use sunlight for photosynthesis.