blood that is short of oxygen is often coloured blue on diagrams. Which blood vessels should be coloured blue, those that carry blood to the lungs or those that carry it back to the heart?

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

the answer is 95 degrees

synapse nervous system