other then the lungs no all of the body parts get oxygen from blood cells
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
Lithosphere is the correct answer
cause hydrosphere is water
and stratosphere and atmosphere are part of the air