< Back to Core

Chapter 17

Nutrition and Digestion

check_url/science-education-library/321/nutrition-and-digestion/
The human body contains a monogastric digestive system. In a monogastric digestive system, the stomach only contains one chamber in which it digests food. …
check_url/science-education-library/321/nutrition-and-digestion/
Although digestion of proteins, carbohydrates, and lipids may begin in the stomach, it is completed in the intestine. The absorption of nutrients, water, …
check_url/science-education-library/321/nutrition-and-digestion/
Accessory organs are those that participate in the digestion of food but do not come into direct contact with it like the mouth, stomach, or intestine do. …
check_url/science-education-library/321/nutrition-and-digestion/
Lipids are large molecules that are generally not water-soluble. Since most of the digestive enzymes in the human body are water-based, there are specific …
check_url/science-education-library/321/nutrition-and-digestion/
Protein digestion begins in the stomach, where the highly acidic environment can easily disrupt protein structure by exposing the peptide bonds of …
check_url/science-education-library/321/nutrition-and-digestion/
Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. …
check_url/science-education-library/321/nutrition-and-digestion/
Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about …
check_url/science-education-library/321/nutrition-and-digestion/
Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many …
check_url/science-education-library/321/nutrition-and-digestion/
Emerging evidence from a number of laboratories indicates that humans have the ability to identify fatty acids in the oral cavity, presumably via fatty …
check_url/science-education-library/321/nutrition-and-digestion/
In vitro experiments are essential to understand biological mechanisms; however, the gap between monolayer tissue culture and human physiology is large, …
check_url/science-education-library/321/nutrition-and-digestion/
The purpose of this paper is to introduce a promising, novel method to aid in the assessment of bone quality in forensically relevant skeletal remains. …