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Digestive System
Digestive System is the category for questions regarding the breakdown and absorption of food-stuffs in our alimentary canal. Questions about the stomach and intestines can be included in this category.
7,599 Questions
How do you make an easy 3D model of digestive system?
Materials
· Modeling clay in six or seven colors
· 4 jellybeans in different colors
Esophagus and Salivary Glands
Take a piece of clay the size of a gumball and roll it between your hands to make a snake. Flatten the snake to create the esophagus. Using the same color of clay, make two smaller snakes. Place one at a 90 degree angle to the top of the esophagus to create the nasal passage. Place the other at a 45 degree angle to the esophagus, then bend the tip so it's parallel with the nasal passage. This is the oral cavity.
For salivary glands, use three jellybeans. Put one to the left of the junction between the esophagus and the nasal and oral cavities. Put the other jellybeans beneath the oral cavity.
Stomach and Pancreas
Use a piece of clay about the size of a golf ball that's a different color from the clay used in the esophagus. Work the ball until it is pear shaped, bend the top of the pear to the right and flatten the entire piece. Connect the larger end to the esophagus so that the smaller end curves to the left.
Use a different color of clay and make a ball slightly smaller than the one used for the stomach. Work the clay until it resembles a small banana, then flatten it. Fit the pancreas underneath the stomach and curve it to the bottom of the stomach.
Liver and Gallbladder
Roll a piece of clay into a ball that's twice the size of the stomach. Flatten the ball into a square with rounded corners, then slice it diagonally from the top right corner to the bottom left corner. Place this above and to the left of the stomach to represent the liver. The right-hand edge of the liver should overlap the stomach and the esophagus.
Place a jellybean beneath the lower left-hand side of the liver so that it sticks out a little. This is the gall bladder.
Duodenum and Small intestine
Take a piece of clay the size of a large gumball in a color that hasn't been used. Roll it into a rod, bend it into a C shape and flatten it. Connect the top of the C to the bottom of the stomach and bend it around the pancreas to make the duodenum.
Using the same color of clay, form another ball the size of a tennis ball and roll it into a long snake. Fold the entire snake like an accordion. Flatten the pleated snake lightly to make the small intestine. Connect the top of the small intestine to the bottom of the duodenum. The width of the small intestine should be just a bit smaller than the combined width of the pancreas, stomach and duodenum.
Large Intestine and Appendix
Take a piece of clay in a color that hasn't been used yet. Form it into a long rod. Starting to the left of the small intestine, lay the rod down along the side of the small intestine. When you reach the top, fold the rod to the right, then fold it again so that it follows the right side of the small intestine. Fold the rod once more beneath the small intestine, so that it ends roughly at the center of the small intestine's bottom.
Form a small piece of clay in a different color into a rod about an inch long. Attach this to the bottom of the left-hand side of the large intestine to create the appendix.
What does feces do in the digestive system?
The rectum is a pouch at the end of the large intestine. The role of the rectum is to store feces for immediate expulsion from the body. So the feces just sits there until the person goes to the toilet.
What are the pigments released by the liver in bile called?
From the glossary of medical terms the answer is: BILIRUBIN
Undigested food moves into which part of the digestive system?
Well.. The food goes into your mouth and through the esophagus. From the esophagus, the food goes into your stomach, where you liver and gallbladder help break down your food. Then the food goes through the small intestine to get all of the water out of your food. Then the food goes into your large intestine, where it has the last chance to get all the water out.
Are these organs in the digestive system made of muscle?
No the organs in the digestive system are not made of some of the organs, like the stomach, have muscles covering the inside of it to help push the food through.
How does the digestive system defend the body against pathogens?
What causes extreme abdominal pain abdominal swelling nausea vomiting and unexplained weight loss?
Often, this is related to Irritable Bowel Syndrome (IBS) or to a wheat or dairy intolerance. Try avoiding wheat for a few days and see how you feel - be careful! Wheat is in almost everything. Read labels, especially on things like soups and spices. If it seems to be better after a few days, that's probably what was causing it. If not, try this with dairy and see what happens. Process of elimination.
First of all we chew the burger to crush the pieces and mix it with saliva which facilitates swallowing. Saliva contains enzymes which start digesting the sugars already in the mouth (the bun of burger and any sauce contain a large amount of sugars). When the mixture of the burger and saliva reaches the stomach, the digestion of proteins begins together with absorption of some vitamins. Later, the half digested mixture is transported into the duodenum and small intestine were absorption of most nutrients takes place (fats, sugars, vitamins, salts). All of the material that was not absorbed is transported by wavy peristaltic movement to the large intestine, where almost no absorption happens, but the formation of feces occurs. This material is pushed to the rectum where it sends signals to the brain and a person feels the urge to go to the bathroom. This is how the burger ends up.
alimentary canal is used in the process of digestion of food.makes up all the compartments known as digestive system.
A lysosome is a sac of digestive enzymes, used to break down monosaccharaides and disaccharides. Lysosomes are found in animal cells and are also called suicide sacs.
What is the movement of food in the oesophagus?
Peristalsis is the movement of food through the alimentary canal, caused by rhythmic contractions of the muscles therein.
How does the human body digest chocolate?
Humans do digest chocolate, but it's hard to digest because it has lots of sugar,and caffine. I'll warn you too much chocolate can harm your intestines when you eat too much. If you start noticing that your stomach hurting and makes you sick this couls happen. So don't have too much please!
What is the tube through which food moves via peristalsis but no digestion takes place?
The esophagus moves food via peristalsis, but no digestion occurs in the esophagus. It connects the mouth and stomach.
How long does meat stay in your system before you digest it?
Red meat can stay in your system 3 to 4 days after consumption and longer in digestive tract. If you are thinking of going vegan you can take a fast to clean your digestive tract out. The Nag Hamadi says to take a 7 day fast and for the cleaning out completely use an enema that is made up of distilled water placed in the sunshine until warm then apply each day starting with day 1 and on each consecutive day until the water comes out clean. This takes about three or four days but you wash your intestines out of meat residue. Make sure you hold the enema in as long as possible. Use distilled water for hydration during fast. You may also use fruit juice on this fast but it will take longer for residue to come clean. You must take care not to go beyond your limit with this fast. You can practice and build up to the fast but when you use the enema it should be with the seven day fast and not on practice runs. you will find the fast in the gospel of peace of The Nag Hamadi
Why are enzymes important chemicals in digestive juices?
to break down larger molecules into simpler molecules of food components
Why are protein digestive enzymes produced and released in an inactive form?
In the case of protein digesting enzymes, known as endopeptidases, such as those secreted in the stomach (pespin), it is obvious. If they were secreted active they would digest the glands which secrete the enzymes themselves (gastric glands).
Instead they must be secreted in an inactive form, which once in the stomach and exposed to HCl acid and other pepsin enzymes the pepsinogen activates and begins digesting protein.
What would happen if your food got stuck in your esophagus?
The trachea is the breathing tube that is inside your throat and chest that leads from the mouth and nose to the lungs, so, just taking a stab in the dark here, but I would say it would be quite difficult to breathe if you were absent of this helpful organ.
How does food get broken down in your stomach?
Your body needs nutrients so the stomach breaks down the food. Then in the small intestine, the nutrients and waste are separated. The nutrients helps the body and the waste come out the other end.
What are two different ways food is digested?
Food reaches the stomach through the oesophagus after it is ingested. It enters the stomach throught the cardiac sphincter, a band of circular muscles that allow the entrance of food substances into the stomach. the food in the stomach is then acted upon by the gastric gland present in the stomach that secrete gastric juices- HCl, renin and Pepsin. Pepsin acts on the proteins present in the food to convert them into smaller molecules called peptides. This action of pepsin requires the presence of Hcl acid as pepsin works better in an acidic medium. In this way, food is broken down. Moreover, the stomach in the mean time performs peristalsis, the rhythmic contraction and relaxation of muscles. This also results in breaking down of food.
