Respiratory and Digestive Aging discussion

Initial Discussion Post:

You can start the search after reviewing the lectures on the respiratory and digestive systems. Choose one of the following organs and describe the physiological or anatomical changes during the aging of an individual.

Respiratory System

1. lungs and elastic fibers
2. surfactant in the alveoli
3. bronchioles and smooth muscle
4. alveoli and surface area
5. standard lung volumes
6. compliance

Digestive System

1. stomach and mucosa layer
2. small intestine and villi
3. large intestine and water absorption
4. small intestine and monomer absorption
5. gastric glands of the stomach
6. esophagus and peristalsis

Procedure

1. Use google scholar or any other search engine and search for an article of one of the items listed above and the aging of the structure/organ.
2. Read the abstract of the paper to determine if the paper is appropriate. DO NOT USE REVIEW PAPERS
3. Once a paper is identified, read the introduction and the conclusion and write 2 paragraphs of what you read and your understanding of the aging process on the topic.
4. Include the link to the scientific paper you read.
5. A topic reply is posted that fulfills required elements