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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

Why can you digest bread but not paper?

Hm... (first time answering a question on here) Well, you can digest bread because it is made of grains. Bread is a starch polysaccharide and is, therefore, made of carbohydrates. Paper is made of cellulose and nothing in the world can digest cellulose so... yeah... 0w0"

What is the exports of the digestive system?

The digestive system breaks down food into absorbable nutrients. It excretes the remaining undigestible food waste as feces.

What is the end product of starch digested?

primary end products; maltose, maltotriose, a-dextrins, and some glucose

What is a pharynx and what animals have one?

The pharynx is a muscular tube that connects the nasal cavity and mouth to the esophagus and larynx, serving as a passageway for both air and food. It is found in many animals, including humans, mammals, birds, reptiles, amphibians, and fish. The pharynx plays a crucial role in respiration and digestion, as it helps direct air to the lungs and food to the stomach. In some species, it also serves additional functions, such as vocalization.

What is self-cleansing?

Self-cleansing refers to the process by which certain materials or systems can remove impurities or contaminants from themselves without external intervention. This concept is often observed in nature, such as in the self-cleaning properties of lotus leaves, which repel water and dirt due to their unique surface structure. In technology, self-cleansing surfaces can be engineered to enhance cleanliness and reduce maintenance efforts. Overall, self-cleansing mechanisms promote hygiene and sustainability by minimizing the need for manual cleaning.

What is another job of the digestive system besides breaking food down?

to make the food small enough to be absorb by your blood to make the food small enough to be absorb by your blood

What lymphoid tissue is located in the digestive tract?

The digestive tract is generally not associated with lymphoid tissue, with the exception of small collections of lymphocytes such as Peyer's patches.

Why are feces solid if material entering the intestine is liquidy?

One of the jobs of the large intestine is to remove water. The body can't afford to loose much.

Is poop only brown?

the iron in your blood oxidizing, and the old blood cells exit your body in your poop, weee fun i love this ride!!! phffttttttttttttttttttt! plop! Oh that felt good! you should try this!!!! its so fun!!!!!!!

Bo Ji

How do taste aversions develop?

Taste aversions can develop from things such as just simply growing up with someone close to them avoiding a certain food or sometimes it comes from things such as getting sick (food poisoning, etc.) over it and you can never really taste it quite the same way : ). That is why I no longer eat salsa.

What absorbs excess water from chyme?

Chyme is formed into feces after the digestion process is completed in the large intestine, where with the help of bacteria, the remaining starches and proteins that were not broken down are handled. After most of the water and remaining nutrients are extracted, the chyme is now semi-solid feces.

What is fecal waste?

Fecal waste is the waste that humans and animals dispose of. This waste is made of digested food from the stomach.

Why the stomach wall is not digested by its own enzymes?

The stomach wall is protected from its own digestive enzymes, primarily pepsin, by several mechanisms. Firstly, the stomach lining secretes a thick layer of mucus that acts as a barrier, preventing the enzymes from directly contacting and damaging the tissue. Additionally, gastric cells produce pepsinogen, an inactive precursor of pepsin, which is only activated in the acidic environment of the stomach, further safeguarding the stomach wall from self-digestion. Lastly, regular turnover and regeneration of the stomach lining help maintain its integrity and prevent damage.