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.
The pathway of food molecules through the alimentary canal and the process of their digestion The function of the digestive system is to break down large molecules in food, such as protein and starch, into monomers that can easily be absorbed into the body and with a balanced diet it does its job efficiently.he alimentary canal is a long coiled tube that runs through the body from the mouth to the anus. It consists of associated glands, the salivary glands, the liver and the pancreas. This muscular tube is organised into several distinct regions. The overall process of nutrition can be divided into several stages.