LMBO!!
"How does fat get up on"
fat as said above is exess energy! If you consume more calories than you expend your body will "save it for later" in the form of fat cells!
"What is fat"
Adipose tissue, stored around the body for insulation & protection (subcontaineous fat) & will be used in conjunction with your bodies metabolic demands.
"How your body breaks down fat"
When your not eating or digesting food you are using your bodies internal energy stores in the form of complex carbohydrates, fats &/or proteins, ( infact your brain can only use Glucose for its enery & it is acually 1/3 fat! ).
step 1 - is to break down the complex carbohydrates into simple sugars "glucose" this process is called ""glycogenolysis""
step 2 - after carbohydrate stores are depleated, your body will break down fat into "glycerol" this process called ""lipolysis"" after being broken down it is either used directly for energy production or can be reverted into glucose via a process called """gluconeogenesis""" in this process amino acids call also be used to make glucose.
In the fat cell, other types of lipases (enzymes that breakdown lipid molicules) - ( lipid's = fatty acids ) work to break down fats into fatty acids and glycerol. These lipases are activated by various hormones, such as glucagon, epinephrine and growth hormone. The resulting glycerol and fatty acids are released into the blood, and travel to the liver through the bloodstream. When at the in liver, the glycerol and fatty acids can be either further broken down or used to make glucose & energy.
water, oxygen & sugars are all needed to produse sustained energy.
"in chemical terms" - Aerobic Respiration
C6H12O6 + 6O2 == 6CO2 + 6H2O + Energy
"in chemical terms" Anaerobic Respiration
C6H12O6 = 2C2H5OH + 2CO2 + Energy