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When large molecules are broken down they actually turn into a different substance. Proteins break down into amino acids. Lipids break down into fatty acids. Carbohydrates break down into simple sugars. And those are just a few of them. Large molecules need to break down so that they can change into other substances so they can dissolve or help the body another way.

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13y ago
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12y ago

so that you can eat food

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Q: Why do large molecules need to be broken down into smaller molecules in the digestive system?
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Related questions

What do large insoluble molecules get broken down into?

Most large insoluble molecules get broken down in the digestive system to small (simpler) soluble molecules.


What human organ system turns large food molecules into smaller food molecules?

Digestive system


The system breaks down the foods you eat into smaller molecules?

Digestive System.


What are food molecules?

Food molecules are pieces of food broken up by acid juices in the digestive system.


Why do you nedd a digestive system?

So that large, insoluble molecules of food can be broken down into smaller, soluble ones which can then be absorbed into the bloodstream for use by all the cells in the body.


What all does the digestive system do?

The digestive system break down larger insoluble food molecules into smaller soluble one. hope this helps lily-may


How does the dgestive system works with the blood circulatory system?

First the food we eat is divided into smaller pieces and the nutrients are separated with the help of Digestive System which are further transported to other parts of our body with the help of Blood Circulatory System.


How do cells get nourished?

Cells receive nourishment from the blood. The blood carries molecules that are broken down from food in the digestive system.


What converts food molecules into ATP energy?

Digestive system


How is a grasshopper's digestive system different from our digestive system?

it is different cause they are smaller


What is the system that breaks down and absorbs food?

The first task of the digestive system is to break down food into a fine pulp (mechanical digestion). When the food is physically broken down, digestive chemicals break the food down into small molecules (chemical digestion). The mouth is the organ in which the process of digestion begins.(Google)


What happens when a biological organic compound such as proteins and carbohydrates are broken down or synthesized?

They are broken down into simpler molecules by the digestive system so they can be absorbed into the bloodstream.