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Digestive System

Study Stack on Digestive System

What is mechanical digestion and where does it take place? The breaking down, chewing, or mashing of food> It takes place in the mouth and stomach.
What is chemical digestion and where does it take place? Breaking down of big food molecules into smaller ones chemically. It takes place in the stomach and the mouth.
What is the energy transfer that takes place in your stomach? Chemical and mechanical
Why is it so important that heat is released to the body during digestion? So chemical changes can take place.
What organ absorbs the nutrients from the food? The small intestine
What organ absorbs the water from the remaining food? The large intestine.
In what order does food go through the body? Mouth, Esophagus, Stomach, Small intestine, Large intestine, the rectum, then the anus.
What is the function of the mouth? Chews and mash food into smaller pieces and also breaks down food using enzymes and saliva.
What is the function of the esophagus? It moves partially digested food to the stomach. Uses the peristalsis and the epiglottis.
What is the function of the stomach? It breaks down food by churning it and using acidic juices to chemically break it down.
What is the function of the small intestine? It absorbs nutrients from the food
What is the function of the large intestine? It takes nutrients from the food so waste can be disposed of. Also takes out water using villi.
What is the function of the rectum? It holds waste.
What is the function of the anus? Lets waste leave the body.
Your body must eliminate______ to remain healthy. Waste
The excretory system includes the _____ system. Urinary
What does the hypothalamus monitor? The amount of water in the blood.
What organ is bean shaped and filters blood? Kidneys
Kidneys are made of 1 million tiny filtering units called ______. Nephrons
It takes _____ minutes for all the blood in your body to pass through your kidneys. A )10 minutes B) 1 minute C) 1 hour D) 5 minutes D) 5 minutes
Blood enters the kidneys through the ____ artery. Renal
Capillaries reabsorbs most of the _____, _____, and salt. Water and sugar
What does the renal artery do? Returns purified blood to be circulated.
Urine flows through the ____. Urethra
What 2 ways can food be digested? Chemically and physically.
Where does physical digestion occur? The mouth, stomach, and small intestine
Where does chemical digestion occur? The mouth, large intestine, and the stomach
What is a major function of the digestive system? Break down larger molecules into smaller ones
The mouth is what kind of digestion? Physical and chemical
What is chyme? A pulpy acid made of partially digested food
What three atoms are found in carbohydrates? CHO
What are starch and protein molecules broken down into? Sugar
What absorbs nutrients during digestion? small Intestine
What absorbs water during digestion? The large Intestine
What is the major function of the excretory system? Elimination of waste
What happens to our kidneys if they stop working? Blood is filled with waste
How do the digestive system and the excretory system work together? The digestive system breaks down food and the excretory system eliminates the waste
Created by: Kaitlyn K



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