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Ahmad

Week 14: Assignment - StudyStack Set 2

QuestionAnswer
What is the primary function of the digestive system? To bring essential nutrients into the body so cells can use them.
What is digestion? – Breaking food down into smaller molecules.
What is absorption? – Moving nutrients from the digestive tract into the bloodstream.
Where does most nutrient absorption happen? – In the small intestine.
What is peristalsis? – Wave-like muscle movements that push food through the digestive tract.
Main organs of the digestive system? – Mouth, esophagus, stomach, small intestine, large intestine.
What does the heart do? – Pumps blood to deliver oxygen and nutrients to the body.
How many times does the heart beat per day? – About 100,000 times.
How many gallons of blood does the heart pump daily? – Around 5,000 gallons.
What is the circulatory system? – The heart, blood, and blood vessels working together.
How much blood does an average adult have? About 5 liters (8 pints).
Created by: user-1988541
 

 



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