Podcast
Questions and Answers
What is the primary function of the villi and microvilli in the small intestine?
What is the primary function of the villi and microvilli in the small intestine?
- Oxygen exchange
- Peristalsis speed
- Surface area for nutrient absorption (correct)
- Mucus production
Which structure in the digestive system specifically stores and concentrates bile?
Which structure in the digestive system specifically stores and concentrates bile?
- Gallbladder (correct)
- Liver
- Pancreas
- Small intestine
Which type of capillaries are found in the liver lobules?
Which type of capillaries are found in the liver lobules?
- Fenestrated capillaries
- Discontinuous capillaries
- Continuous capillaries
- Sinusoidal capillaries (correct)
Which of the following is NOT a function of the respiratory system?
Which of the following is NOT a function of the respiratory system?
Which part of the digestive system is primarily responsible for mechanical digestion?
Which part of the digestive system is primarily responsible for mechanical digestion?
What is the main role of alveolar macrophages?
What is the main role of alveolar macrophages?
What type of epithelium lines the esophagus?
What type of epithelium lines the esophagus?
Which organ is responsible for producing the hormone insulin?
Which organ is responsible for producing the hormone insulin?
What is the primary function of the respiratory system?
What is the primary function of the respiratory system?
Which type of cell is responsible for secreting surfactant in the alveoli?
Which type of cell is responsible for secreting surfactant in the alveoli?
What is the function of the myenteric plexus in the digestive system?
What is the function of the myenteric plexus in the digestive system?
What structure prevents food from entering the trachea during swallowing?
What structure prevents food from entering the trachea during swallowing?
What enzyme in saliva begins the digestion of carbohydrates?
What enzyme in saliva begins the digestion of carbohydrates?
What is the main role of the diaphragm in the respiratory system?
What is the main role of the diaphragm in the respiratory system?
Which of the following is a non-vital function of the respiratory system?
Which of the following is a non-vital function of the respiratory system?
What part of the digestive system absorbs water and forms feces?
What part of the digestive system absorbs water and forms feces?
Flashcards
Primary function of respiratory system
Primary function of respiratory system
Gas exchange between the body and the environment.
Surfactant secretion
Surfactant secretion
Produced by Type II alveolar cells.
Myenteric plexus function
Myenteric plexus function
Controls peristalsis and segmentation in the digestive system.
Sound production
Sound production
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Main nutrient absorption
Main nutrient absorption
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Alveoli lining tissue
Alveoli lining tissue
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Carbohydrate digestion start
Carbohydrate digestion start
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Diaphragm's role in breathing
Diaphragm's role in breathing
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Small Intestine Function
Small Intestine Function
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Villi and Microvilli Function
Villi and Microvilli Function
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Digestive System Bile Storage
Digestive System Bile Storage
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Liver Function
Liver Function
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Respiratory System's Role
Respiratory System's Role
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Mechanical Digestion Site
Mechanical Digestion Site
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Esophagus Lining
Esophagus Lining
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Alveolar Macrophages Function
Alveolar Macrophages Function
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Study Notes
Respiratory System
- Primary function: Gas exchange between the body and the environment
- Sound production: Larynx
- Breathing muscle: Diaphragm (contracts and relaxes)
- Air filtration: Nasal cavity (warms and moistens)
- Important structure for swallowing: Epiglottis (prevents food from entering the trachea)
- Non-vital function: Speech production
- Alveoli lining: Simple squamous epithelium
- Surfactant secretion: Type II alveolar cells
- Removing pathogens and debris in lungs: Alveolar macrophages
- Filtering blood: Not a function of the respiratory system
- Ciliated lining for filtering: Trachea and nasal cavity (trachea assists in cleaning debris.
Digestive System
- Nutrient absorption (majority): Small intestine
- Water absorption and waste formation: Large intestine
- Mechanical digestion: Stomach
- Enzyme digestion of carbohydrates: Amylase (in saliva)
- Bile storage and concentration: Gallbladder
- Enzyme production for carbohydrates, proteins, and fats: Pancreas
- Hydrochloric acid production: Parietal cells (in stomach)
- Food movement: Peristalsis (regulated by the myenteric plexus)
- Nutrient absorption increase: Villi and microvilli in the small intestine (increase the surface area)
- Connects pharynx to stomach: Esophagus
- Retroperitoneal organ: Pancreas
- Digestive enzymes secretion: Acinar cells (in pancreas)
- Function of intrinsic factor: Secreted by parietal cells (important for vitamin B12 absorption)
- Liver function: Bile production
Other
- Myenteric plexus function: Controls peristalsis and segmentation (movement and mixing of food)
- Esophagus lining: Stratified squamous epithelium
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