| 1 | Fish take in oxygen through their gills. | |
| 2 | But why your sudden interest in lessening your salt intake? | |
| 3 | They can invade the digestive tract and block nutritional uptake. | |
| 4 | Is it primarily the meat intake, the plant food intake or a combination of both? | |
| 5 | If you ate that much raw apple you'd only take in 52 calories. |