What is meaning of the digestion?
: the action, process, or power of digesting: such as. a : the process of making food absorbable by mechanically and enzymatically breaking it down into simpler chemical compounds in the digestive tract.
What is digestion definition for Class 7?
Digestion: The process by which food is broken down into simple absorbable substances is called Digestion. Humans take food through the mouth, digest the food and finally, the undigested food is removed from the body. The food passes from the oral cavity and finally, the undigested food is defecated through the anus.
Where does digestion start?
The digestive process begins in the mouth. Even before eating begins, the anticipation of eating stimulates glands in the mouth to produce saliva.
What is digestion Class 8?
The Digestive system is the process of breaking down of complex food into simpler form, in order to absorb nutrients. Most of the food we eat is in insoluble form.
Why does food need to be digested?
Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.
What is digestion in simple words?
Digestion is the process in which breakdown of food from larger to smaller food . Digestion occurs in three phases. Mechanical digestion is the physical breakdown of large pieces of food into smaller pieces which can be got at by digestive enzymes.
What is digestion simple definition?
What is digestion? The digestive system is made up of a group of organs that work together to break down food. During digestion larger molecules are broken down into smaller ones. These molecules are transported around our body to be used for energy, growth and repair.
How does food get digested?
A muscular gate called the lower esophageal sphincter opens to let the food move into your stomach. Acids in your stomach break down the food even more. This produces a mushy mixture of gastric juices and partially digested food, called chyme. This mixture moves on to your small intestine.