When you menstruate, your body sheds the lining of the uterus (womb). Menstrual blood flows from the uterus through the small opening in the cervix and passes out of the body through the vagina (see how the menstrual cycle works below). Most menstrual periods last from 3 to 5 days.
The structure of the human alimentary canalThe alimentary canal is a long hollow tube which runs from the mouth to the anus .Together with several other organs, including the liver and the pancreas, it makes up the digestive system. The total length of the human alimentary canal is between 5 and 6 m, from anus to mouth.he serosa is a very thin layer, made up of connective tissue covered with a single layer of thin, smooth closely fitting cells. en833i2424lnnq We can observe in detail each part of the human alimentary canal structure in this diagram. The mouth: Taking food into the mouth is called ingestion.
Human Alimentary Canal 1. The main part of the digestive system is the alimentary canal which consists of the mouth, oesophagus, stomach, small intestine and large intestine.2. There are other organs associated with the alimentary canal to assist with digestion. These include the salivary glands, the pancreas, the liver and the gall bladder.he main part of the digestive system is the alimentary canal which consists of the mouth, oesophagus, stomach, small intestine and large intestine.