Latest questions in this category.
If teeth are not brushed after eating, bacteria and food particles stick to the teeth forming a yellowish layer called dental plaque.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Bacteria in the mouth act on residual sugars to produce acids, which soften and demineralize the enamel, leading to tooth decay.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
The anal sphincter regulates the egestion (exit) of waste material from the rectum to the outside of the body.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
The primary function of the large intestine in the digestive process is to absorb water from the undigested food material.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Villi are richly supplied with blood vessels which take the absorbed food to each and every cell of the body.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Villi are finger-like projections that vastly increase the surface area for the absorption of digested food.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Pancreatic juice contains trypsin for digesting proteins and lipase for breaking down emulsified fats.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Bile salts break down large fat globules into smaller ones (emulsification), increasing the efficiency of enzyme action.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
The liver secretes bile juice, which is temporarily stored in the gall bladder before being released into the small intestine.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Meat is relatively easier to digest than plant matter (cellulose), so carnivores have a comparatively shorter small intestine.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
Cellulose is difficult to digest. Herbivores require a longer small intestine to give the bacteria time to completely break it down.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
The small intestine receives secretions from the liver and pancreas to completely digest carbohydrates, proteins, and fats.
Ref: NCERT Text book class 10 Biology Chapter 5 life process
