https://padlet.com/Josieskawngur/d5so24ptmwsu This is an explanation of how a Big Mac be digested by different parts of the digestive system. :) en-us 2017-02-20 07:45:48 UTC 2026-02-02 17:39:52 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Brightnessdown.png Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154875343 2017-02-20 08:00:26 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154875343 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154875426 Beef - Protein - Amino Acid
Lettuce - Vitamin E,C
Tomato - Vitamin A,B1,C
Bread - Carbohydrate - Monosaccharide   
Cheese - Fats - Fatty acid and glycerol
Pickles - Vitamin B2,C,E]]> 2017-02-20 08:01:10 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154875426 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154902270 Mechanical digestion:
Mechanical digestion refers to the breakdown of food into smaller fragments via chewing, churning and segmentation. 
Chemical digestion:
Chemical digestion refers to the process which food is broken down into chemical molecules by enzyme, acid and bile. ]]> 2017-02-20 10:54:44 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154902270 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154903094 Place: Mouth 
The Big Mac is initially digest by month via chewing, which is a type of mechanical digestion. 

The tongue pushes the food to the throat, where the food travels down the esophagus as a bolus

The epiglottis is used to prevent the bolus to enter the trachea, and the uvula is used to precent the bolus to enter the nasal cavity. 

Our saliva contain amylase  which is a type of enzyme that broke starch to maltose. ]]> 2017-02-20 11:00:23 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154903094 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154904637 The bolus  travel down the esophagus and enter the stomach. 
Our stomach contain gastric glands which release digestive acid to form a low PH environment in the stomach. 
Protein and other macromolecules will be denatured when they enter the stomach because of the low PH environment. 

Stomach also do mechanical digestion - churning. 
The stomach muscle containing muscles which can mix and squeeze the food. 
The bolus turn into chyme after several hours of mechanical digestion in the stomach which eventually enter the intestine. ]]> 2017-02-20 11:11:53 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/154904637 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155033904 The chyme enter the intestine with the alkaline solution secrete by pancreas which neutralize the acidic chyme. 

Starch is continued digested in the small intestine by the amylase and maltase secrete by the pancreas. 

Lipid digestion also take place in the small intestine by lipase into fatty acid and glycerol. ]]> 2017-02-21 00:19:40 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155033904 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155035583 After the polymers been digested into monomers, the absorption will occur. 
The absorption of nutrient will mainly occur in the small intestine and water absorption mainly occur in the large intestine. 
There are vili on the surface of small intestine which can accelerate the absorption rate by increase the surface area of the small ]]> 2017-02-21 00:39:08 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155035583 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155037874 Villi in the small intestine contain several structural features which facilitate the absorption. There are dense capillary network around the vili for the rapid transportation. The lacteal are responsible for the absorption of lipid from intestine into the lymphatic system.

]]> 2017-02-21 00:59:24 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155037874 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155038567 The unused food are been transported into the large intestine. 
After the water been absorbed by the large intestine, the unused food been release through rectum. ]]> 2017-02-21 01:05:48 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155038567 Josieskawngur https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155039114 2017-02-21 01:11:02 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/155039114 mahipauldayaram https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/157537962 2017-03-03 06:22:00 UTC https://padlet.com/Josieskawngur/d5so24ptmwsu/wish/157537962