Question

in a biology class, students conducted an experiment to see how substances move from the small intestine into the bloodstream. in an experimental animal, they tied off three sacs in the small intestine and labeled them a, b and c. the sacs were filled with salt solution (nacl) at the following concentrations:sac a-0 .75%; sac b-1. 0%; and sac c-1.25%. in blood plasma, the usual concentration of nacl is about 1.0%.

Answer 1

The alimentary canal, commonly known as the digestive tract, as well as additional organs like the liver and pancreas make up the digestive system.

The lengthy organ tube that connects the mouth to the anus is known as the alimentary canal. It contains the esophagus, stomach, and intestines. The digestive tract of an adult is approximately 30 feet (9 meters) long.

Long before food even enters the stomach, digestion starts in the mouth. Our salivary glands under the lower jaw, under the tongue, and in front of the ear start secreting saliva when we sight, smell, taste, or even just think about a delicious meal (spit).Although they are not a part of the alimentary canal, the pancreas, which is located beneath the stomach, the gallbladder, and the liver are all vital to digestion. The liver is located under the ribcage in the right upper region of the belly.

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