Which of the following is true for a prokaryote? it is one of the first life forms to appear. it has all membrane-bound organelles. it must be a multicellular organism. it evolved from eukaryotes.

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