Item CE140002: Red blood cells supply oxygen to both muscle cells and cells of the digestive tract.

Red blood cells carry oxygen. Which of the following types of cells use oxygen carried by red blood cells?

  1. Both muscle cells and cells of the digestive tract
  2. Muscle cells, but not cells of the digestive tract
  3. Cells of the digestive tract, but not muscle cells
  4. Neither cells of the digestive tract nor muscle cells

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