Which organ system in humans is most directly involved in the transport of oxygen

The circulatory system is most directly involved in the transportation of oxygen.

Explanation:

The red blood cells bond with oxygen allowing the oxygen molecules to be carried by the blood in the circulatory system to all the cells in the body.

If the blood becomes saturated with carbon monoxide the red blood cells can not bond with oxygen and the blood can not transport oxygen. The carbon monoxide bonds with the red blood cells instead of oxygen. The resulting death shows the importance of the circulatory system in the transportation of oxygen

The best answer for this question is, "Circulatory system."

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explanation:

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.