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.
The best way to prevent mats in your kitty's fur is to brush her daily, especially if she's a longhair cat. Start with a soft-bristle brush to get her used to brushing. Once she sits calmly during the procedure, remove shed hairs from the undercoat with a metal comb or undercoat rake and follow with a slicker brush.