Consider the path of food through a mammal. Which structures along the way from mouth to...
Consider the path of food through a mammal. Which structures along the way from mouth to the behind (butt) secrete substances and what is the function of the secreted substances?
Homework Answers
Mammals digestive system consists of the mouth, esophagus,
stomach, small and large intestines.
Other accessory organs help these organs in digesting food by
secreting various enzymes
and substances. These organs secrete those digestive enzymes into
these organs.
The secreted substances break down the food into smaller
pieces.
Complex carbohydrates into simple carbohydrates, proteins into
amino acids, triglycerides
into fatty acids, etc. These simple substances are easily taken up
by the cells lining
these gastrointestinal organs. Apart from these minerals, vitamins
and water are also taken
up by these luminal epithelial cells. Secretions also contain
factors which help
these substances to enter into those intestinal cells, which are
later taken up by blood
for supplying to body tissues and cells.
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Consider the path of food through a mammal. Which structures
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Trace greasy french fries through the digestive system from mouth
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