There would be less oxegen and also economically exploit us as 80% of things we use is from trees. we will be ruined, that's for sure.
Rough ER is studded with ribosomes and the Smooth ER has a smooth surface ..
The cell uses oxygen in the mitochondria which produces energy, without it the mitochondria makes lactic acid. Lactic acid affects muscles, and causes muscle soreness. That is if the cell is lacking oxygen, if it didn't get oxygen at all i would think that the affects on the body would be more severe.
