Second,I got two clear tubes, one inch in diameter, to simulate the small intestines. I cut them from the
front with a cutter, and put adhesive felt on the inside to simulate villi. I spread them with butter, and
sprinkled salt. I passed hot water through one, and cold water through the other, as if they were the
intestines. Again, the one with hot water left little butter clinging to the sides, the one with cold water left
the butter as it was
Second,I got two clear tubes, one inch in diameter, to simulate the small intestines. I cut them from thefront with a cutter, and put adhesive felt on the inside to simulate villi. I spread them with butter, andsprinkled salt. I passed hot water through one, and cold water through the other, as if they were theintestines. Again, the one with hot water left little butter clinging to the sides, the one with cold water leftthe butter as it was
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