- 1 What circulatory system carries most of the lipids and lipid soluble vitamins immediately after absorption?
- 2 Which circulatory system carries most of the fats and fat soluble nutrients?
- 3 What circulatory system carries fat?
- 4 Which large vessel is the first to receive absorbed water soluble nutrients transporting them to the liver?
- 5 Where does most absorption occur in the digestive system?
- 6 How are lipids absorbed by the digestive system?
- 7 Which of the following regulates the pH of the stomach?
- 8 How many classes of nutrients are there?
- 9 What is the most likely reason for the development of a vitamin b12 deficiency?
- 10 Which macronutrient has the highest satiety value?
- 11 Where does blood leaving the digestive system go?
- 12 Which pH best describes the environment of the stomach?
- 13 What has four lobes and is the largest gland in the body?
- 14 How food is absorbed into the bloodstream?
- 15 Where is water absorbed into the bloodstream?
What circulatory system carries most of the lipids and lipid soluble vitamins immediately after absorption?
The second function of the lymphatic system is the absorption of fats and fat-soluble vitamins from the digestive system and the subsequent transport of these substances to the venous circulation. The mucosa that lines the small intestine is covered with fingerlike projections called villi.
Which circulatory system carries most of the fats and fat soluble nutrients?
Immediately after absorption, lymphatic system carries most of the fat-soluble nutrients.
What circulatory system carries fat?
Though digested fats are absorbed by lymphatic capillaries, it is ultimately drained into left subclavian vein by left thoracic duct (= major lymphatic duct).
Which large vessel is the first to receive absorbed water soluble nutrients transporting them to the liver?
Water-soluble nutrients enter the capillary blood in the villi and travel to the liver via the hepatic portal vein.
Where does most absorption occur in the digestive system?
The small intestine is the part of the gastrointestinal tract between the stomach and the large intestine where much of the digestion of food takes place. The primary function of the small intestine is the absorption of nutrients and minerals found in food.
How are lipids absorbed by the digestive system?
In the stomach fat is separated from other food substances. In the small intestines bile emulsifies fats while enzymes digest them. The intestinal cells absorb the fats. Long-chain fatty acids form a large lipoprotein structure called a chylomicron that transports fats through the lymph system.
Which of the following regulates the pH of the stomach?
Pepsin is a stomach enzyme that serves to digest proteins found in ingested food. Gastric chief cells secrete pepsin as an inactive zymogen called pepsinogen. Parietal cells within the stomach lining secrete hydrochloric acid that lowers the pH of the stomach. A low pH (1.5 to 2) activates pepsin.
How many classes of nutrients are there?
There are seven main classes of nutrients that the body needs. These are carbohydrates, proteins, fats, vitamins, minerals, fibre and water. It is important that everyone consumes these seven nutrients on a daily basis to help them build their bodies and maintain their health.
What is the most likely reason for the development of a vitamin b12 deficiency?
However, the most common cause of vitamin B-12 deficiency anemia is a lack of a substance called intrinsic factor, which can be caused when your immune system mistakenly attacks the stomach cells that produce this substance. This type of anemia is called pernicious anemia.
Which macronutrient has the highest satiety value?
Which macronutrient has the highest satiety value? Foods containing carbohydrates have the highest satiety value. Typically, ingested food remains in the stomach for two hours prior to traveling to the small intestine. The hormone pepsin is produced in the large intestine.
Where does blood leaving the digestive system go?
All of the blood leaving the stomach and intestines passes through the liver. The liver processes this blood. It breaks down, balances, and creates the nutrients. It also breaks down medicines into forms that are easier to use for the rest of the body.
Which pH best describes the environment of the stomach?
Answer Expert Verified. When the stomach is stimulated, its environment would be describe as acidic. The stomach releases proteases enzyme and hydrochloric acid to help in digestion. The presence of hydrochloric acid will maintain low pH of the stomach, which make the enzyme proteases to work best in cleaving proteins.
What has four lobes and is the largest gland in the body?
The liver is both the largest internal organ (the skin being the largest organ overall) and the largest gland in the human body. The liver is connected to two large blood vessels: the hepatic artery and the portal vein. Traditionally, the liver is divided into four lobes: left, right, caudate, and quadrate.
How food is absorbed into the bloodstream?
As food passes through the GI tract, it mixes with digestive juices, causing large molecules of food to break down into smaller molecules. The body then absorbs these smaller molecules through the walls of the small intestine into the bloodstream, which delivers them to the rest of the body.
Where is water absorbed into the bloodstream?
Your small intestine moves water from your bloodstream into your GI tract to help break down food. Your small intestine also absorbs water with other nutrients. Large intestine. In your large intestine, more water moves from your GI tract into your bloodstream.