The main buffer system in cellular fluid:

The glomerular capsule:

Consists of branched airways from the trachea to the alveoli and ends with alveolar sacs:

Fibrosis in the lungs makes them stiffer resulting in a decrease in lung compliance.

This buffer system acts to bind excess acidic or alkaline compounds w/in cells & plasma:

This lung is divided into 2 lobes:

Renal cortex:

Calyces:

A substance that releases H+ to a solution:

Occurs when the internal intercostal muscles and abdominal muscles contract: