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Digestion is the process of changing food into a form that the body can absorb and use as energy or as the raw materials to repair and build new tissue. Digesting food is a two-part process that's half mechanical, half chemical.
- Mechanical digestion begins in your mouth as your teeth tear and grind food into small bits and pieces you can swallow without choking. The muscular walls of your esophagus, stomach, and intestines continue mechanical digestion, pushing the food along, churning and breaking it into smaller particles.
- Chemical digestion occurs at every point in the digestive system, beginning when you see or smell food. These sensory events set off nerve impulses from your eyes and nose that trigger the release of enzymes and other substances that will eventually break down food to release the nutrients inside. The body then burns these nutrients for energy or uses them to build new tissues and body parts.
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What else can I help you with?
What is cracking used for?
The cracking is used to breaks down big hydrocarbon into smaller ones and make more useful.
Why do you need to process some materials before you can use them?
We process materials to make them better and more useful. We are therefore we are modifying the natural material to advance it.
The controlled process by which hydrocarbons are broken down or rearranged into smaller more useful molecules is called?
The controlled process by which hydrocarbons are broken down or rearranged into smaller, more useful molecules is called catalytic cracking.
What is the process of recovering valuable or useful materials from waste or scrap called?
Recycling.
Why do we process material?
We process materials to make them better and more useful. We are therefore we are modifying the natural material to advance it.
What is the organelle that breaks down other organelles that are no longer useful called?
The organelle that breaks down other organelles that are no longer useful is called the lysosome. Lysosomes contain digestive enzymes that help break down old or dysfunctional organelles, as well as foreign particles and waste materials within the cell.
Why is data information is useful?
Information is interpreted data. Data gives you the 'raw materials' that you process (interpret) and obtain information.
What is the meaning of harmful and useful materials?
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
What is environmental catalyst?
An environmental catalyst speeds up an environmental related process. It is useful in conversion of green raw materials and waste into energy.
How is bleeding useful?
It can be useful in flushing infectious materials away from a wound.
Why do you need quarrying?
== == to gain limestone and other useful rocks to get useful materials/ make useful materials out of the produc you collect, for example you can get steel, cement , glass and concrete
What do materials have that makes them useful?
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