Human Digestive System

Maximum absorption of water takes place in the large intestine.

Formation of faeces takes place in the large intestine where water is absorbed from the undigested material, resulting in the formation of solid waste called as faeces.

The passing of watery stools from the body is known as diarrhoea, which leads to dehydration, i.e. excess loss of water from the body.

Grass is a fibrous food and takes more time for digestion. In grass eating animals, there is a separate part of stomach called rumen. That is why, these animals are also known as ruminants.

This is the correct answer.

Both these statements are correct.

Breaks down the emulsified fats during digestion of food

This is the correct answer. 

This is the correct answer.

Digested food that is not immediately used by a human body is stored in the liver as glycogen.

This is the correct answer.

This is correct. Peptic ulcers are painful bleeding areas within the stomach and duodenum.

Sucrase is secreted by the tips of the villi of the epithelium in the small intestine. Its levels are reduced in response to villi-blunting events such as celiac sprue and the inflammation associated with the disorder. The levels increase in pregnancy/lactation and diabetes as the villi hypertrophy.

The stomach has a priority to destroy the bacteria and viruses using its highly acidic environment but also has a duty to protect its own lining from its acid. The way that the stomach achieves this is by secreting mucin and bicarbonate via its mucous cells, and also by having a rapid cell turn-over.

This is a significant brush border enzyme.This enzyme decreases with age, and as such lactose intolerance is often a common abdominal complaint in the older population, manifesting with bloating, abdominal pain and osmotic diarrhea.