| Because we would be producing alcohol instead of carbon dioxide and lactic acid whenever we respired. |
| Thus, in tissue exclusively fixing respired or internally generated CO 2, but not carrying out net gas exchange, photosynthetic capacity can still be estimated. |
| You inhaled through your nose and respired through your mouth. |
| Subject wore a portable telemetric calorimeter and respired into the facemask during the gardening tasks and resting periods so researchers could measure their oxygen uptake. |
| Like spiders, they were terrestrial and respired through book lungs, and walked on eight legs. |
| You respired through this heavily, heavy material. |
