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Molecules that can pass through the wall of the small intestines are products that are broken down from starch, lipids and protiens.
Starch breaks down into maltose which is then further broken down into glucose, which is absorbed by the intestine.
Lipids break down into glycerol and fatty acids, which are absorbed by the intestines.
Protiens break down into amino acids, which are absorbed by the intestines.
Vitamins are minerals are alos absorbed by the intestines.
Water is also absrobed by the small intestines, but is also absrobed by the large intestines.
Wiki User
∙ 14y ago
Nutrients such as glucose, amino acids, and fatty acids can diffuse through the intestinal wall for absorption into the bloodstream. Water and electrolytes can also diffuse through the intestinal wall to maintain fluid and electrolyte balance in the body.
Wiki User
∙ 12y agoi think it's alveoli
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Does intestinal bacteria have a cell wall?
no
Why cant big molecules pass through wall guts?
The cell walls of the intestinal cells do not allow the passage of large molecules through them; in addition, the tight junctions between the cells blocks the transfer of large molecules through the interstitial space.
What moves food through the small intestine?
Peristalsis, which is the coordinated contraction and relaxation of muscles in the intestinal wall, moves food through the small intestine. This process helps to mix and propel the food along the digestive tract for absorption.
In Osmosis does salt diffuse through a membrane?
Yes
What must the molecules in a capillary enter before they enter the cell?
Molecules in a capillary must first pass through the endothelial cells lining the interior surface of the capillary before they can enter the cell.
What lymphatic organ prevents bacteria from breaching the intestinal wall?
Bacteria are prevented from crossing the intestinal wall by the integrity of the intestinal cells, particularly the tight junctions, as well as the mucus lining of the intestines. If bacteria make it into the interstitial space in the intestinal wall, there is a strong diffuse immune system presence in the form of the GALT (gut associated lymphatic tissue) that can quickly move to eliminate trans-locating bacteria. However, there is no specific lymphatic organ, just a collected of lymph nodes and lymph tissues.
How do monosaccharides exit the intestinal cell wall into the capillaries?
Injested carbohydrates are broken down through saliva and the stomach into smaller fragments called mono saccharides, or simple sugars. These sugars are transported to the absorptive cells in the lining of the stomach, where they are in, exit, then passively diffuse into the adjoining capillaries.
How do you resive oxygen and remove carbon dioxide?
Oxygen and carbon dioxide are moved to and from body tissues via the circulatory system. These materials diffuse through the cell membrane, and then diffuse through the capillary wall into or out of the bloodstream.
How does a hookworm effect a human?
Hookworms are parasitic worms that infect humans by penetrating the skin, typically through bare feet in contaminated soil. Once inside the body, hookworms attach to the intestinal wall and feed on blood, causing symptoms like abdominal pain, diarrhea, and anemia. Treatment with medication is usually effective in eliminating hookworm infections in humans.
Does intestinal bacteria have a cell wall?
no
Which group of fats are absorbed pass through the intestinal cells and diffuse into capillaries and thus directly into the blood stream?
Water-soluble glycerol and short and medium chain fatty acids.
What is a roundworm's food?
blood from the intestinal wall
What is the abnormal dilation in the intestinal wall?
Diverticulosis
Projection on the intestinal wall are called?
villi villi
What must the molecules in a capillary enter before they enter the cell?
Molecules in a capillary must first pass through the endothelial cells lining the interior surface of the capillary before they can enter the cell.
If a beam of light falls on a smooth wall will you observe regular reflection or diffuse reflection?
It will be diffuse reflection. No matter how smooth the wall looks it is rough on a microscopic scale and will scatter the light.
What kind of reflection does a brick wall cause?
Diffuse reflection
