Which part of the alimentary canal is involved in (a) chewing of food (b) killing of bacteria (c) absorption of food (d) formation of faeces?
Answers
Explanation:
a) mouth
b)stomach
c) small intestine
d) large intestine
Answer:
1) CHEWING OF FOOD
The alimentary canal is the long tube through which the food that we eat is passed. It begins at the mouth, also referred to as a buccal or oral cavity, passes through the pharynx, oesophagus or food pipe, stomach, small intestines, large intestines, rectum, etc. finally ends at the anus.
2) KILLING OF BACTERIA
It serves as a muscular bag situated towards the left side of the abdominal cavity, beneath the diaphragm. This vital organ acts as a storage for the food and provides enough time to digest meals. The stomach also produces digestive enzymes and hydrochloric acid that maintains digestion and kills the bacteria
3) ABSORPTION OF FOOD
Small Intestine is a thin and long tube-like structure measuring about 9 to 10 feet long and also the part of the lower gastrointestinal tract. The small intestine is located just behind the stomach, which is found completely coiled and consists of folds and ridges
4) FORMATION OF FAECES
This is a thick, long tube measuring around 5 feet in length. It is present just beneath the stomach and wraps over the superior and lateral edges of the small intestine. It absorbs water and consists of bacteria (symbiotic) that support the breakdown of wastes to fetch small nutrients.