What happens to weight when we lose it?!
Question: I know that when you lose weight it is because you burn calories through exercise. What happens to the weight though? Weight/fat is matter, and since science says that matter can be neither created or destroyed, what happens to our fat? It can't just burn up and disappear, so where does it go? How does it get out of our body?...I'm so confused :)
Answers: I know that when you lose weight it is because you burn calories through exercise. What happens to the weight though? Weight/fat is matter, and since science says that matter can be neither created or destroyed, what happens to our fat? It can't just burn up and disappear, so where does it go? How does it get out of our body?...I'm so confused :)
The fat is removed from your adipose cells (cells that contain fat--they are located in most people's problem areas: stomach, thighs, butt, etc) and changed through chemical reactions to simple sugars and other molecules that the body uses for energy. These sugars are then transported to the body's cells (in the case of exercise, your muscle cells), and in another set of reactions they are changed there into water, carbon dioxide and ATP (a molecule your body uses for energy--and by use I mean it breaks it apart, and it can't remake it unless more sugar is brought into the body for the reaction). You pee/sweat out the water, breathe out the carbon dioxide, and use up the ATP.
See a biology book for more descriptions and pics.
I think it becomes sweat and we sweat it off? That's why the extra skin is still there when weight is loss.
When you restrict your caloric intake (diet) your body goes to your fat stores and burns them as energy. At the same time you could eat normally but exercise more and do the same thing.The burned energy is processed thru your body sending it where it needs it, the waste goes, well where waste goes. When you go to the bathroom :)
when you lose weight you sweat sweat=weight
The simple answer is thru your pee.
The scientific answer is: Ketosis:
It means that our bodies are using fat for energy. Ketones (also called ketone bodies) are molecules generated during fat metabolism, whether from the fat in the guacamole you just ate or fat you were carrying around your middle. When our bodies are breaking down fat for energy, most of the it gets converted more or less directly to ATP. (Remember high school biology? This is the "energy molecule.") But ketones are also produced as part of the process.
When people eat less carbohydrate, their bodies turn to fat for energy, so it makes sense that more ketones are generated. Some of those ketones (acetoacetate and ?-hydroxybutyrate) are used for energy; the heart muscle and kidneys, for example, prefer ketones to glucose. Most cells, including the brain cells, are able to use ketones for at least part of their energy. But there is one type of ketone molecule, called acetone, that cannot be used and is excreted as waste, mostly in the urine and breath (sometimes causing a distinct breath odor).
If enough acetone is in our urine, it can be detected using a dipstick commonly called by the brand name Ketostix (though there are other brands, as well). Even though everyone is generating ketones continuously, this detection in the urine is what is commonly called "ketosis."
The higher the concentration of ketones in the urine, the more purple the sticks will turn. The Atkins Diet, in particular, advises people to monitor ketosis as an indication of fat burning. Other reduced carbohydrate diets don't pay much attention to this, or aren't low enough in carbs to make much of an impression on the sticks. (The latter type of diet is sometimes called a "nonketogenic" low-carb diet.)
Through your lower posterior...when you sit on the porcelain throne...(in the bathroom).