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Answers:Similarities: The frog's digestive system begins with the mouth. Frogs have teeth along their upper jaw called the maxillary teeth, which are used to grind food before swallowing. These teeth are very weak, and cannot be used to catch or harm agile prey. Instead, the frog uses its sticky tongue to catch food (such as flies or other insects). The food then moves through the esophagus into the stomach. The food then proceeds to the small intestine (duodenum and ileum) where most digestion occurs. Frogs carry pancreatic juice from the pancreas, and bile (produced by the liver) through the gallbladder from the liver to the small intestine, where the fluids digest the food and extract the nutrients. When the food passes into the large intestine, the water is reabsorbed and wastes are routed to the cloaca. All wastes exit the body through the cloaca and the cloacal vent. Differences: The human digestive tract is the system of organs within multicellular animals that takes in food, digests it to extract energy and nutrients, and expels the remaining waste. The major functions of the GI tract are ingestion, digestion, absorption, and defecation. The GI tract differs substantially from animal to animal. Some animals have multi-chambered stomachs, while some animals' stomachs contain a single chamber. In a normal human adult male, the GI tract is approximately 6.5 meters (20 feet) long and consists of the upper and lower GI tracts. The tract may also be divided into foregut, midgut, and hindgut, reflecting the embryological origin of each segment of the tract.

Question:We all know that different animals have different digestive systems. This means they cannot consume any kinds of food simply or else they will fall ill. For example, a horse or a sheep can never eat raw meat as their system cannot digest meat properly. Likewise, a wild animal such as a lion or a tiger can also not eat cooked food such as roast chicken or roast beef as their digestive systems are not attuned to them. For that matter, we cannot feed our farm animals such as the chickens and pigs potato chips or salad as they just cannot eat them. However, all of us have been feeding our own domestic pets our own foods for ages. For example, many of us regularly give our cats and dogs a slice of our own steak or potato chips or some porridge. Some will also give roast chicken or roast duck to them. Some even feed our dogs with ice creams. Yet, they don't fall ill. Have these domestic animals evolved until they adjusted to our foods? Have they got used to eating roast chicken or grilled beef or any other foods we eat?

Answers:First lions and tiger can eat cooked meat, they just cannot eat cooked bones as they splinter easily. Second, certain foods do make dogs very ill, such as raisins, onions, and chocolate. Considering dogs became domesticated by eating food offered by humans, I would definitely say it has something to do with the fact that they gradually adjusted to our food through the years. They still sometimes get upset stomachs though.

Question:What is length of human digestive system? How about beast like tiger or lion? Thank you.

Answers:the human digestive system is approx. 30ft.

Question:If possible a list of the organs in the human digestive system and if possible for some or all write why they are important and what they do for the body

Answers:Liver=Filters poisonus material from the body that comes in with the food you eat and excreted as urine etc Pancrease=Produces pancreatic juices that helps in the digestion pf proteins Stomach=made of hydrchloric acids tha thelps to kill any germ that might have entered with food Large intestine=Helps to pass waste products after digestion from the body to the anus Anus=Passes waste products to the otside world Small Intestine=absorbtion takes place here Appendex=absorbs insolible products like stones, uuncooked rice gwevers etc

From Youtube

Human Body - Digestive System - Kids Animation Learn Series :Learn all about the functions of the Human Body from the 'Human Body' Kids Animation Learn Series. These simple videos elaborated with pictures and descriptions can make the toughest subjects easier and fun for your kids. Click www.rajshri.com to watch more videos animation videos.

The Digestive System animation :The Digestive System animation