Unit 8- Digestive system
Introduction
The digestive system's structure and physiology, an explanation of the many nutrients, nutritional
deficiencies, dietary-related illnesses, their impact on the body's regular operation, and potential
therapies will all be covered in this report. The presentation will cover structure, function, and
health-related issues.
Mouth- When the food is taken in, it is broken down into smaller molecules and then absorbed by the
bloodstream and taken into the digestive system. The digestive system consists of auxiliary organs.
Food is crucial for digestion even though it doesn’t pass through these organs because it secretes
compounds that before they are consumed by bodily tissues, deal with some of the digestive
contents. Taking care of oral hygiene is important as the mouth is used for daily for breathing, eating
and speaking. When the food is chewed it is covered in the saliva which helps breaks down the starch
into sugars. The enzyme within the mouth is called amylase and has the PH around 6.5.
Oesophagus- This connects the mouth and stomach and contracts/ relaxes for food to be moved
down the system. The constant contraction in the oesophagus is called peristalsis. This starts in the
mouth and food is then swallowed into the stomach. Without the peristalsis digestion is impossible as
the food moves through the digestion system. The body is responsible for the removal of built-up
bacteria and waste in the body.
, Stomach- The stomach is a muscular pouch located in the upper abdomen that is situated below the
diaphragm. The stomach wall is often lined by thick layers of smooth muscle This is then coated with
epithelial cells. The release of pepsin into the stomach is done so the chemical digestion can break
down proteins. The food further breaks down into smaller food particles. The stomach is responsible
of 3 main things such as relaxing and contracting, help digest the food, and store the food temporarily.
Range of examples include mucosa, which is the internal lining of the stomach, an empty stomach
has small ridges but the flatten when the stomach become full.
Liver- This is an organ that secretes bile into the small intestine to eventually break down into fat
acids. This weighs 3 pounds and this was the same size as a football. The liver works and functions
daily to keep the body healthy as it converts fat into energy. The liver creates some of the substances
which helps clot the blood after an injury. Removing different waste products is another important
function the liver carries out.
Small intestine- ileum, duodenum, jejunum- This is an organ that has three main sections of the small
intestine. This kind of digestion is chemical because it depends on the production digestive enzymes
and fluids by smaller walls. The enzyme concludes amylase which breaks down starch in a sugar,
protease into amino acids and lipase into fatty acids.
Introduction
The digestive system's structure and physiology, an explanation of the many nutrients, nutritional
deficiencies, dietary-related illnesses, their impact on the body's regular operation, and potential
therapies will all be covered in this report. The presentation will cover structure, function, and
health-related issues.
Mouth- When the food is taken in, it is broken down into smaller molecules and then absorbed by the
bloodstream and taken into the digestive system. The digestive system consists of auxiliary organs.
Food is crucial for digestion even though it doesn’t pass through these organs because it secretes
compounds that before they are consumed by bodily tissues, deal with some of the digestive
contents. Taking care of oral hygiene is important as the mouth is used for daily for breathing, eating
and speaking. When the food is chewed it is covered in the saliva which helps breaks down the starch
into sugars. The enzyme within the mouth is called amylase and has the PH around 6.5.
Oesophagus- This connects the mouth and stomach and contracts/ relaxes for food to be moved
down the system. The constant contraction in the oesophagus is called peristalsis. This starts in the
mouth and food is then swallowed into the stomach. Without the peristalsis digestion is impossible as
the food moves through the digestion system. The body is responsible for the removal of built-up
bacteria and waste in the body.
, Stomach- The stomach is a muscular pouch located in the upper abdomen that is situated below the
diaphragm. The stomach wall is often lined by thick layers of smooth muscle This is then coated with
epithelial cells. The release of pepsin into the stomach is done so the chemical digestion can break
down proteins. The food further breaks down into smaller food particles. The stomach is responsible
of 3 main things such as relaxing and contracting, help digest the food, and store the food temporarily.
Range of examples include mucosa, which is the internal lining of the stomach, an empty stomach
has small ridges but the flatten when the stomach become full.
Liver- This is an organ that secretes bile into the small intestine to eventually break down into fat
acids. This weighs 3 pounds and this was the same size as a football. The liver works and functions
daily to keep the body healthy as it converts fat into energy. The liver creates some of the substances
which helps clot the blood after an injury. Removing different waste products is another important
function the liver carries out.
Small intestine- ileum, duodenum, jejunum- This is an organ that has three main sections of the small
intestine. This kind of digestion is chemical because it depends on the production digestive enzymes
and fluids by smaller walls. The enzyme concludes amylase which breaks down starch in a sugar,
protease into amino acids and lipase into fatty acids.
