write about the different parts and functions of digestive system
Answers
Explanation:
Buccal cavity ( mouth ) :
It is also called oral cavity. Digestion of carbohydrates , like strach begin in buccal cavity. It is inner portion of mouth
Food pipe ( oesophagus ) :
The oesophagus ( Food pipe ) connects from mouth to stomach
Stomach :
The stomach is thick-walled bag like structure present on the left side of abdomen , Digestive juices like gastric juices is secreted by stomach walls. Digestion of protein takes place in stomach. It is widest organ of alimentary canal
Small intestine :
The small intestine is 7.5 meters long.It is named beacuse diameter is smaller. It consists of large number of finger like structurers ( projection ) on the inner wall called villi. These villi absorb the digested food
Large intestine :
The large intestine is 1.5 meters long. It is so named because it's diameter is larger then small intestine. The large intestine absorbs most of the water and some salts from undigested food material.
Rectum and Anus :
After the removal of water, the undigested food gets stored in the last part of large intestine called rectum . the undigested food ( waste material ) passed out from out body through anus in the form of feces
Various digestive glands :
1) Salivary glands :
There are three parts of salivary gland in human body. These glands secreted saliva into buccal cavity
2) Liver :
It is the largest gland. It secrets bile. Bile contains bile salts which help in digestion of fats
3) Pancreas :
It secrets pancreatic juice which helps in digestion of strach and fats and proteins
pls mark me brainliest