NUSC 1165 Exam 2 Latest 2024 With Verified Questions And Answers (GRADED A+)

NUSC 1165 Exam 2 Latest 2024 With Verified Questions And Answers (GRADED A+) Glycogen - ANSWER-Polysaccharides ("many sugars") The storage form of carbohydrates in animals comprised of highly branched chains of glucose molecules Stored in the muscle and liver Transit time - ANSWER-The amount of time it takes for food to pass through the length of the digestive tract Healthy adults 24-72 hours Muscus - ANSWER-Viscous fluid secreted by the glands of the GI tract Responsible for lubricating and protecting the digestive tract from harsh environments Enzymes - ANSWER-Protein molecules that speed up the rate of chemical reactions without undergoing any change Assist with breaking down carbohydrate, protein, and fats into smaller components Nerve signals - ANSWER-Stimulated by the thought, sight, smell, and presence of food Causes muscle contractions that churn, mix, and propel food through the gut Stimulate or inhibit gastric secretions 2 Coordinate digestive activity with other functions Hormones - ANSWER-Chemical messengers produced in an organ that is released into the blood and generates a response at other locations within the body Helps to prepare different areas of the gut for the arrival of food Regulates nutrient digestion and the rate of food moving through the system Cephalic response - ANSWER-Involves signals from the nervous system The sights, sounds, and smells of food prepare the digestive system to process the food components Mouth - ANSWER-Entry point of food in the digestive tract Mechanical processing - ANSWER-Chewing of food to form a bolus Chemical processing - ANSWER-Saliva is produced in the salivary glands Moistens of food, cleanses mouth, protects teeth, and lubricates the upper digestive tract Salivary amylase - ANSWER-Starts starch breakdown in the mouth