For each question, select the best answer from the alternatives given.
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Pregunta 1 de 10
What is the primary function of the mouth in the digestive system?
To mix and churn the incoming food like a blender.
To begin the mechanical and chemical breakdown of food.
To produce digestive enzymes that initialize the nutrient absorption process.
Pregunta 2 de 10
How does the esophagus contribute to the process of digestion?
By absorbing water from the food
By separating air from food through movement.
By using peristalsis to move food downward to the stomach.
Pregunta 3 de 10
What role does the stomach play in the digestion of food?
It primarily absorbs nutrients from chyme.
It acts as a storage unit in preparation for disposal.
It chemically breaks down and churns food into a semi-liquid form.
Pregunta 4 de 10
Which organ is responsible for the majority of nutrient absorption?
Small Intestine
Large Intestine
Stomach
Pregunta 5 de 10
What is the main function of the large intestine in the digestive process?
To digest and process proteins and fats
To absorb water and minerals.
To produce bile and assist in the chemical processing of food.
Pregunta 6 de 10
How does the body prepare waste for removal?
By storing processed waste in the rectum before expulsion.
By breaking down waste into liquid form before reaching the anus.
By performing the final process of absorption of nutrients in the rectum before disposal.
Pregunta 7 de 10
Which statement best describes the accessory organs of the digestive system?
They contribute to the digestive process by breaking down food into absorbable nutrients.
Their main purpose is to eliminate waste products from the body through accessory pathways.
They are part of the digestive tract and are directly involved in the absorption and processing of nutrients.
Pregunta 8 de 10
Complete the sentence by filling in the blank with the correct term:
"In the digestive system, the _________ acts as a muscular tube that transports food from the mouth to the stomach using rhythmic muscle contractions."
intestine
liver
esophagus
Pregunta 9 de 10
Complete the sentence by choosing the correct term that describes the substance mixed with food in the mouth to begin the digestive process:
"Food is mixed with _________ in the mouth to start the chemical breakdown of starches."
bile
gastric juice
saliva
Pregunta 10 de 10
Fill in the blank with the appropriate word:
"The small intestine features tiny, finger-like projections called _________, which are crucial for nutrient absorption."
chyme
enzymes
villi