1. What is digestion? Why do only animals require adigestive system?

1.	1. What is digestion? Why do only animals require adigestive system?
Answer» Digestion is the process in which complex substances are broken down to simpler substances and energy is produced. It is a vital process for an animal's survival because of this process the energy present in the food is made available to the cells in our body and due to that energy we can work. Animals require a digestive system because they take food in the form that body cannot directly utilize. The food needs to be broken down into form that body can utilize. Therefore digestive system becomes very important animals. There are various other organisms apart from animals that possess a digestive system For example amoeba has food vacuole that helps in digestion.

Answer»

Digestion is the process in which complex substances are broken down to simpler substances and energy is produced. It is a vital process for an animal's survival because of this process the energy present in the food is made available to the cells in our body and due to that energy we can work.

Animals require a digestive system because they take food in the form that body cannot directly utilize. The food needs to be broken down into form that body can utilize. Therefore digestive system becomes very important animals. There are various other organisms apart from animals that possess a digestive system For example amoeba has food vacuole that helps in digestion.

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