Q • Question 1 1 out of 1 points By the time the contents of the GI tract reach the ________, the three energy-yielding nutrients have been digested. • Question 2 1 out of 1 points A high-fiber diet can reduce pressure in the rectal veins and help prevent ________. • Question 3 1 out of 1 points A mouthful of food that has been chewed and swallowed is called ________. • Question 4 1 out of 1 points How is blood routed through the digestive system? • Question 5 1 out of 1 points In which organ does most absorption take place?