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The food is broken down to simple substances with the help of digestive enzymes like pepsinogen, while mucus protects the walls of the stomach. (v) From the stomach, the food moves into the small intestines with the help of ring-like muscles called pyloric sphincters which allow only a little food to pass through at a time.
The Human Digestive System and Its Components. Digestion starts in the buccal cavity of the mouth and ends at the anus. In between, it passes through a long alimentary canal which is further divided into various components. The basic components of the digestive system include: the buccal cavity; oesophagus or the “food pipe” stomach; the ...
Draw a neat and labeled diagram of the human digestive system. View Solution. Q2
Refer to the given diagram of a human digestive system. Digestive Juices P, Q and R were collected from structures labelled as 1, 2, and 3 respectively. The digestive juices were then mixed with a buffer solution of pH = 2. Small drop of these juices were then put on a strip of film coated with protein.
$$\bullet$$ The regions of the digestive system where the process of peristalsis takes place include the alimentary tract starting from the oesophagus to the end of the large intestine. $$\bullet$$ The structures where peristalsis occurs include the oesophagus, parts of the small intestine and the different regions of the large intestine.
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Label the following diagram of the human digestive system. View Solution. Q3.
There is a constant flurry of signals between the brain and the alimentary canal. Hormones control the digestion process by signalling the body at appropriate times to make the digestive juices. They also send signals to the brain to indicate being hungry or full. The nervous system, through the brain and spinal cord, controls the digestive ...
Label the following diagram of the human digestive system. View Solution. Q4.
