Review the graphic and select the best response based on that data. By volume, humans are 10% hydrogen.

Elements making up the human body are worth about $600.

Humans are mostly water.

By mass, humans are mostly oxygen.

Cancer cells spread to other parts of the body by entering the bloodstream. which of the following organs could prevent a cancer cell in the bloodstream from spreading, and why? a. the spleen, because it releases lymphocytes into the blood b. the peyer's patches, because they release lymphocytes into the blood c. the lymph nodes, because they release lymph into the blood d. the thymus, because it releases lymph into the blood