Domanda del libro di testo
How does each of the three phases of gastric secretion promote and facilitate gastric control?
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Ch. 24 The Digestive System
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011
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TOC.tableOfContents
- Ch. 1 An Introduction to Anatomy and Physiology25
- Ch. 2 The Chemical Level of Organization34
- Ch. 3 The Cellular Level of Organization29
- Ch. 4 The Tissue Level of Organization24
- Ch. 5 The Integumentary System17
- Ch. 6 Bones and Bone Structure33
- Ch. 7 The Axial Skeleton11
- Ch. 8 The Appendicular Skeleton17
- Ch. 9 Joints13
- Ch. 10 Muscle Tissue12
- Ch. 11 The Muscular System28
- Ch. 12 Nervous Tissue18
- Ch. 13 The Spinal Cord, Spinal Nerves, and Spinal Reflexes22
- Ch. 14 The Brain and Cranial Nerves20
- Ch. 15 Sensory Pathways and the Somatic Nervous System17
- Ch. 16 The Autonomic Nervous System and Higher-Order Functions30
- Ch. 17 The Special Senses15
- Ch. 18 The Endocrine System21
- Ch. 19 Blood31
- Ch. 20 The Heart31
- Ch. 21 Blood Vessels and Circulation26
- Ch. 22 The Lymphatic System and Immunity25
- Ch. 23 The Respiratory System4
- Ch. 24 The Digestive System18
- Ch. 26 The Urinary System31
- Ch. 27 Fluids & Electrolytes30
- Ch. 28 The Reproductive System12
- Ch. 29 Development and Inheritance17
Martini, Nath, Bartholomew12th EditionFundamentals of Anatomy & PhysiologyISBN: 9780137854011Non è quello che usi tu?Cambia libro di testo
Capitolo 24, Problema 32
Recently, more people have turned to surgery to help them lose weight. One form of weight control surgery involves stapling a portion of the stomach shut, creating a smaller volume. How would such a surgery result in weight loss?
Guida verificata passo dopo passo1
Understand the role of the stomach in digestion: The stomach serves as a reservoir that holds food and begins the process of digestion by mixing food with gastric juices.
Recognize that stapling a portion of the stomach reduces its volume, meaning the stomach can hold less food at one time.
With a smaller stomach volume, a person feels full sooner during a meal, which leads to a reduction in overall food intake.
Reduced food intake means fewer calories are consumed, which can create a calorie deficit necessary for weight loss.
Therefore, the surgery helps with weight loss by physically limiting the amount of food eaten, promoting earlier satiety and reducing calorie consumption.
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Stomach Volume and Food Intake
The stomach's size determines how much food it can hold at one time. Reducing stomach volume limits the amount of food consumed before feeling full, leading to lower calorie intake and promoting weight loss.
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4:39
Digestion in the Stomach
Satiety and Hunger Signals
Satiety is the feeling of fullness that signals the brain to stop eating. A smaller stomach can trigger earlier satiety signals, reducing hunger and preventing overeating, which supports weight loss.
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4:01Types of Chemical Messengers
Caloric Deficit and Weight Loss
Weight loss occurs when the body uses more calories than it consumes. By decreasing food intake through stomach reduction, the body enters a caloric deficit, causing it to burn stored fat and lose weight.
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Percorso guidato
03:17The Epidermis: Cells Example 1
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