Check Point Digestion

Check Point
Week 7 Digestion

I have never really thought about how food got from my mouth to my stomach, I just
figured that I put it in, chew, and it went to my stomach.   The path that food has to take in order
to be digested is quite a journey.   “Digestion is the process of breaking down food into molecules
small enough for the body to absorb. Proteins, carbohydrates, and fat in our diets must be broken
down and later, reassembled in forms useful to our body.” Carter (1996).
The time it takes to digest food varies because of a few factors. Men and women digest
food a different rates, and it also depends on the individual and what was eaten. The time can
range from about four to seventy-five hours. The means that from the time you put the food in
your mouth until it is pasted from the body.
Digestion occurs in the mouth by “amylase is a digestive enzyme in our saliva that helps
to break down carbohydrates. Mechanical manipulation by chewing breaks the food into smaller
pieces which provide more surface area. This increased surface area helps the enzymes in the
small intestines absorb the nutrients in our food better.” The "How Long Does It Take To Digest
Food?" (2008) website.   The small intestine’s job is to aid in nutrient absorption.   The first part
of the small intestine is called the duodenum, it neutralizes acid before it is allow to continue
down the small intestines.   Then the Fat, peptides and carbohydrates are broken down even
further so that they are small enough to passes through the bloodstream, to certain organs.
The stomach is shaped like a J and can expand.   The stomach role in digestion is to churn
the food.   You hear people who are not feeling well say that their stomach was “Churning”.
Inside the stomach there is hydrochloric acid, which is used to kill bacteria and it secrets mucus
so that the stomach does not digest itself!   It is like a protective layer.   The is also the large
intestine or the...