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The Human Digestive System Essay
Results Page 8 About Human Digestive System Free Essays
Ray was a member of Science Olympiad, participates in science and health writing competitions, and studied at a sci-tech school. The gastrointestinal tract, also called the digestive tract, alimentary canal, or gut, is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. Wikimedia Commons. The human digestive system consists of the food tube, organs, and glands, which secrete juices into it to help in the digestion of food. They are listed in the table below.
Structure and Function of the Alimentary Canal
Flatulence is defined in the medical literature as "flatus expelled through the anus " or the "quality or state of being flatulent",  which is defined in turn as "marked by or affected with gases generated in the intestine or stomach; likely to cause digestive flatulence". The scientific study of this area of medicine is termed flatology. Flatus is brought to the rectum and pressurized by muscles in the intestines. It is normal to pass flatus, though volume and frequency vary greatly among individuals. It is also normal for intestinal gas to have a feculent odor, which may be intense.
They are quantitative and show intermediates discontinuous variation differences are clear cut e. LL,ll Heterozygous when two alleles are different at a particular locus e. Ll F1 and F2 Fl means first filial generation i. Assume letter L denotes gene for wing size.