The lumen of the digestive tract describes
A) the movement of food along its length.
B) its outer covering.
C) the space inside.
D) muscular layers.
E) the twisted path it follows through the abdomen.
Correct Answer:
Verified
Q7: Stretched out, an adult's gastrointestinal tract would
Q8: Which of the following layers forms the
Q9: Chewing
A) chemically breaks up the food.
B) aids
Q10: Which of the following layers of the
Q11: Molars and premolars are used to
A) grind
Q13: The digestion of which class of foods
Q14: The enamel in a tooth's crown directly
Q15: The process that releases digestive enzymes is
A)
Q16: The process that moves nutrients into the
Q17: The process that excretes undigested and unabsorbed
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