Answer:
Giardia lamblia
Explanation:
Giardia lamblia, a flagellated protozoan that exists in the form of cyst and trophozoite. The cyst is the infective form found in the environment.
Protozoan infection mainly affects the upper portion of the small intestine. Most infections are asymptomatic and occur in both adults and children. Symptomatic infection may present with diarrhea, accompanied by abdominal pain. This condition may be chronic in nature, characterized by softened with fat aspect, accompanied by fatigue, anorexia, flatulence and abdominal distension. Anorexia, associated with malabsorption, can lead to weight loss and anemia.
The transmission can be due fecal-oral. Direct, by contamination of the hands and consequent ingestion of existing cysts in infected person waste; or indirectly through ingestion of contaminated water or food.
Answer: The digestive process starts in your mouth when you chew. Your salivary glands make saliva, a digestive juice, which moistens food so it moves more easily through your esophagus into your stomach.
Explanation:
Answer:
The main function of the organs of the alimentary canal is to nourish the body. This tube begins at the mouth and terminates at the anus. Between those two points, the canal is modified as the pharynx, esophagus, stomach, and small and large intestines to fit the functional needs of the body.
