Which of the following is the largest?
a. alveoli
b. capillaries
c. bronchioles
d. bronchi

this protocol provides a detailed procedure for agarose-based ip to purify and enrich the protein of interest.

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.