1 Single breath of 100% O2. 2  During the following expiration, [N2] increases from 0% (pure dead space gas) to equilibrium (pure alveolar gas) (i.e. plateau). 3  Using [N2] vs. 4  graph, anatomical dead space is taken to be at the mid-point of the transition from conducting zone to gas exchange zone.
Best Black Garden Hose Holder wall mount-Durable , very powerful hanger it can hold 100ft heavy hose -keep your backyard neat and clean. Currently unavailable. We don't know when or if this item will be back in stock.
This Wall Mount Paddle Holder is an efficient and minimalistic way to wall mount your paddles. Each order comes with (2) individual wall mounts that can be used separately to store 2 paddles vertically, or used together to store 1 paddle horizontally. The paddle wall rack is great for holding SUP, canoe, and kayak paddles. Can hold a paddle up to 1.5 inches thick in diameter (40 mm). The paddle wall mount is easy to install and includes all of the necessary hardware. Installation is easy with only two screws required per wall mount.