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Questions and Answers
What is the main function of the digestive system?
What is the main function of the digestive system?
- To circulate blood
- To support the bones
- To protect the body from pathogens
- To break down food, extract nutrients and water, and excrete waste (correct)
What is the role of saliva in the digestive process?
What is the role of saliva in the digestive process?
- To transport food to the stomach
- To cool down the food
- To provide energy
- To break down food into tiny parts (correct)
Which part of the digestive system moves food to the stomach after swallowing?
Which part of the digestive system moves food to the stomach after swallowing?
- Large intestine
- Pancreas
- Small intestine
- Esophagus (correct)
What does the stomach use to turn pieces of food into a thick liquid?
What does the stomach use to turn pieces of food into a thick liquid?
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What happens to the thick liquid in the stomach before reaching the small intestine?
What happens to the thick liquid in the stomach before reaching the small intestine?
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Study Notes
Digestive System
- Breaks down food, extracts nutrients and water, and excretes waste
- Responsible for fueling the body to maintain health and activity
Digestion Process
- Breaks down food into tiny molecules
- Involves chewing, which produces saliva to break down food
- Saliva acts as a digestive juice to aid in breaking down food
Stomach Function
- Uses acids, enzymes, and muscle movements to liquefy food
- Turns food into a thick liquid
- Squeezes small amounts of the liquid into the small intestine
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