Smoking reduces the surfactant layer in the alveoli. This would cause which of the following to occur? (2 points) A. Depressed macrophage activity

B. Destroyed red blood cells

C. Reduced ability of gases to diffuse through the water layer

D. Reduced ability of gases to enter or exit the alveolar space

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

What can happen to an enzyme as tempature rises

Organize the following objects from lowest volume to highest volume