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Questions and Answers
Which organ of the digestive system removes nutrients and water from digested food?
Which organ of the digestive system removes nutrients and water from digested food?
- Mouth
- Esophagus
- Intestine (correct)
- Liver
What is the primary source of energy for some plant and animal cells?
What is the primary source of energy for some plant and animal cells?
- Protein
- Fat
- Carbohydrate
- Glucose (correct)
What is the function of saliva in the digestive system?
What is the function of saliva in the digestive system?
- Helps move food from the mouth to the stomach
- Removes nutrients and water from digested food
- Helps digest food (correct)
- Makes chemicals to help break down fats
What is the opening at the end of the digestive tract where feces exit the body?
What is the opening at the end of the digestive tract where feces exit the body?
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What is a measure of the amount of energy in food?
What is a measure of the amount of energy in food?
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Study Notes
Digestive System
- The small intestine removes nutrients and water from digested food.
Energy Production
- ATP (Adenosine Triphosphate) is the primary source of energy for some plant and animal cells.
Digestive Process
- Saliva breaks down carbohydrates into simple sugars, making it easier for the body to absorb them.
Elimination
- The anus is the opening at the end of the digestive tract where feces exit the body.
Nutrition
- Calories are a measure of the amount of energy in food.
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