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Ch. 41 - Animal Nutrition
Campbell - Campbell Biology 12th Edition
Urry12th EditionCampbell BiologyISBN: 9785794169850Non è quello che usi tu?Cambia libro di testo
Tutti i libri di testoUrry 12th EditionCh. 41 - Animal NutritionProblema 2
Capitolo 41, Problema 2

The mammalian trachea and esophagus both connect to the
a. Pharynx
b. Stomach
c. Large intestine
d. Rectum

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1
Understand the anatomy of the mammalian respiratory and digestive systems. The trachea is part of the respiratory system, while the esophagus is part of the digestive system.
Identify the function of the trachea and esophagus. The trachea carries air to the lungs, and the esophagus carries food to the stomach.
Recognize the common structure that both the trachea and esophagus connect to. This structure is responsible for directing air and food to their respective pathways.
Recall that the pharynx is a muscular tube that serves as a pathway for both air and food, connecting the nasal and oral cavities to the larynx and esophagus.
Conclude that the correct answer is the pharynx, as it is the shared structure where both the trachea and esophagus connect.

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Anatomy of the Pharynx

The pharynx is a muscular tube that serves as a pathway for both air and food. It connects the nasal and oral cavities to the larynx and esophagus, respectively. In mammals, the pharynx is a crucial part of the digestive and respiratory systems, facilitating the passage of air to the trachea and food to the esophagus.
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Lung Anatomy

Function of the Trachea

The trachea, commonly known as the windpipe, is a tube that connects the pharynx to the lungs. It is part of the respiratory system and is responsible for transporting air in and out of the lungs. The trachea is reinforced with cartilage rings to maintain its structure and ensure an open airway.
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Functional Groups

Role of the Esophagus

The esophagus is a muscular tube that connects the pharynx to the stomach. It is part of the digestive system and is responsible for moving swallowed food and liquids from the mouth to the stomach through a series of coordinated muscle contractions known as peristalsis. The esophagus plays a vital role in the initial stages of digestion.
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Mouth and Esophagus
Pratica correlata
Domanda del libro di testo

If you put the following events in the order they occur in the human digestive system, the third event in the series would be

a. Cells in gastric pits secrete protons.

b. Pepsin activates pepsinogen.

c. HCl activates pepsinogen.

d. Partially digested food enters the small intestine.

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Domanda del libro di testo

In which organ does almost all enzymatic digestion of food occur?

a. Stomach

b. Small intestine

c. Large intestine

d. Pancreas

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Domanda del libro di testo

Fat digestion yields fatty acids and glycerol. Protein digestion yields amino acids. Both digestive processes

a. Occur inside cells in most animals

b. Add a water molecule to break bonds

c. Require a low pH resulting from HCl production

d. Consume ATP

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Domanda del libro di testo

In which digestive system organ does nearly all nutrient absorption occur?

a. Stomach

b. Small intestine

c. Large intestine

d. Pancreas

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