Question | Answer |
Name three organs that help with digestion but don't actually move food through them. | Liver, Pancreas and Gallbladder |
Where does digestion begin ? | Begins in the mouth |
What helps with mechanical digestion in the mouth? | Teeth and tongue |
What helps with chemical digestion in the mouth? | Saliva |
What helps with mechanical digestion in the stomach? | Churning of stomach caused by smooth muscles lining stomach - called peristalsis |
What helps with chemical digestion in the stomach? | Hydrochloric acid and other digestive juices (bile and pancreatic juice) breaking down the food into a usable form. |
What organ recycles the water from the digested food? | Large Intestines |
Nutrients are absorbed into the bloodstream through which organ? | Small intestines |
What are the finger-like projections in the small intestines that draw out the nutrients? | Villi |
What is the flap of tissue that keeps food from going down the trachea? | Epiglottis |
Which is the longest organ of the digestive system? | Small intestines |
Why are the large intestines called "large"? | Because they have a greater diameter than the small intestines - (they're bigger around) |
Common name for the food tube? | Esophagus |
When smooth muscles contract and push food through your digestive tract, this is called? | Peristalsis |
The liver, pancreas and gallbladder help with which type of digestion? | Chemical Digestion |
The process of simply breaking down food into smaller pieces is called | Mechanical digestion |
The process of chemically changing food into a useable form that the body can use is | Chemical digestion |
Where does food go in the digestive tract after it leaves the mouth? | Esophagus |
Where does food go in the digestive tract after it leaves the esophagus? | Stomach |
Where does food go in the digestive tract after it leaves the stomach? | Small intestine |
Where does food go in the digestive tract after it leaves the small intestine? | Large intestine |
What is the "holding tank" of the large intestines? | Rectum |
What is the opening through which feces exits body? | Anus |
Each villi is connected to what? What is the purpose of this? | Each villi is connected to a capillary which puts the glucose into the bloodstream that will then travel to feed the cells. |
What is the nutrient that all food is broken down into that feeds the cells? | Glucose |