Occurs when gas exchange across the alveolar-capillary membrane is compromised by (a) thickened, damaged or destroyed alveolar membranes, or (b) impaired blood flow through pulmonary capillaries.

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

The asian shore crab (hemigrapsus sanguineus) is an invasive species that has impacted the atlantic coast. predict what characteristic of this invader would most likely disrupt the biodiversity of this area.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels