what happens if following organ s do not function in our body
1)salivary glands
2)epiglottis
3)endocrine pancreas
Answers
Explanation:
Learning Objectives
By the end of this section, you will be able to:
Explain the processes of digestion and absorption
Explain the specialized functions of the organs involved in processing food in the body
Describe the ways in which organs work together to digest food and absorb nutrients
Describe the essential nutrients required for cellular function that cannot be synthesized by the animal body
Describe how excess carbohydrates and energy are stored in the body
All living organisms need nutrients to survive. While plants can obtain nutrients from their roots and the energy molecules required for cellular function through the process of photosynthesis, animals obtain their nutrients by the consumption of other organisms. At the cellular level, the biological molecules necessary for animal function are amino acids, lipid molecules, nucleotides, and simple sugars. However, the food consumed consists of protein, fat, and complex carbohydrates. Animals must convert these macromolecules into the simple molecules required for maintaining cellular function. The conversion of the food consumed to the nutrients required is a multistep process involving digestion and absorption. During digestion, food particles are broken down to smaller components, which are later absorbed by the body. This happens by both physical means, such as chewing, and by chemical means.
One of the challenges in human nutrition is maintaining a balance between food intake, storage, and energy expenditure. Taking in more food energy than is used in activity leads to storage of the excess in the form of fat deposits. The rise in obesity and the resulting diseases like type 2 diabetes makes understanding the role of diet and nutrition in maintaining good health all the more important.
The Human Digestive System
The process of digestion begins in the mouth with the intake of food. The teeth play an important role in masticating (chewing) or physically breaking food into smaller particles. The enzymes present in saliva also begin to chemically break down food. The food is then swallowed and enters the esophagus—a long tube that connects the mouth to the stomach. Using peristalsis, or wave-like smooth-muscle contractions, the muscles of the esophagus push the food toward the stomach. The stomach contents are extremely acidic, with a pH between 1.5 and 2.5. This acidity kills microorganisms, breaks down food tissues, and activates digestive enzymes. Further breakdown of food takes place in the small intestine where bile produced by the liver, and enzymes produced by the small intestine and the pancreas, continue the process of digestion. The smaller molecules are absorbed into the blood stream through the epithelial cells lining the walls of the small intestine. The waste material travels on to the large intestine where water is absorbed and the drier waste material is compacted into feces; it is stored until it is excreted through the anus.
The basic components of the human digestive system begins at the mouth. Food is swallowed through the esophagus and into the kidney-shaped stomach. The liver is located on top of the stomach, and the pancreas is underneath. Food passes from the stomach to the long, winding small intestine. From there it enters the wide large intestine before passing out the anus. At the junction of the small and large intestine is a pouch called the cecum.
Answer:
(a) If salivary gland do not function properly there will be lack of saliva in our mouth which will makae the process of chewing difficult.
(b) If epiglottis do not function properly thn there will be a greater chance of entering the food in windpipe
(c) If pancrease do not function properly then the process of digestion will not be compleated.
Overall if any part or organ of our body do not function properly then there may be some disorder may happen. So we must be thankfull to god for keeping is in good state
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