Autonomic Nervous System Essay

1035 Words 5 Pages
1. Through which organs, and in what order does the bolus of food travel?
• The bolus of food first travels to the oral cavity, pharynx, esophagus, stomach, small intestine, and then to the large intestine.

2. How long does the food remain in each segment of the digestive tract and what physiological processing takes place during this time?
• Chemical and mechanical digestion begins in the oral cavity. Temperature, taste, texture are sensed, and the saliva helps the chemical digestion because it is secreted by the salivary glands. The breakdown of the enzymes in the saliva helps the food to be swallowed. The mechanical breakdown of the food is from the teeth, and when the food is swallowed, the pharynx is where the food is passed. The oral cavity and esophagus are connected because of
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What role does the autonomic nervous system play in controlling the movement of food through the digestive tract? What other physical or physiological factors can impact the movement of food though the digestive tract?
• The autonomic nervous system is in control of the processes that are not voluntary controlled. It also controls the movement of food that is passed through the digestive tract. The ANS Is responsible for the secretion of hormones that help in the physiological and physical breakdowns of the food that moves throughout the digestive system.

4. What specific enzyme or other digestive substances are associated with each segment of the digestive tract and which cells produce these substances? What specific components of the chicken and rice (proteins, carbohydrates, etc.) are processed by each of these substances?
• In each segment of the digestive tract there are different substance like carbohydrates, proteins, and fats and lipids that are present. There are also different types of enzymes present like amylase, and lipase that are secreted by cells that are found in the digestive tract. Chicken has mainly protein that is processed, and rice mainly has

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