The nose, pharynx, larynx, trachea and bronchi all work like a system of pipes through which the air is funnelled down into our lungs. There, in very small air sacs called alveoli, oxygen is brought into the bloodstream and carbon dioxide is pushed from the blood out into the air.
And, just to clarify, the kitty litter in your trunk, to be used for traction, needs to be taken out and spread around your tires. Most cars are front wheel drive, so the extra weight alone in the back ain't gonna do you much good.
3. Silica Gel or âCrystal Litterâ. Some cat litter is made from silica gel, a crystallized form of silicon dioxide. Silica gel absorbs liquids and helps eliminate odors. Like clay litter, silica litter is derived from sand â a non-renewable resource.