7th Grade Digestive System
star
star
star
star
star
Last updated almost 3 years ago
89 questions

1
The function of the digestive system is:
1._______ - breaking down food into very _______
2. _______ - absorbing the small molecules into our _______
1
What must happen to food before it can be absorbed by the body?
What must happen to food before it can be absorbed by the body?

1
Another name for the digestive tract is the _______
1
Categorize the 2 major parts of the digestive system
Categorize the 2 major parts of the digestive system
- Digestive Tract
- begins at mouth, end at the anus
- esophagus
- stomach
- large and small intestines
- salivary glands
- liver
- gallbladder
- pancreas
- Alimentary Canal
- Accessory Organs

1
Mechanical digestion is the _______ of food. The two types of mechanical digestion in the digestive system are _______ and _______
1
_______ are the smooth muscle contractions that occur as the food is passed along the digestive tract.
1
_______ is the chewing and crushing of food
1
_______ help break down food into absorbable, simpler nutrients during _______ digestion.
1
Chemical digestion begins in the mouth when enzymes in _______ begins to break down food .
1
Both chemical and mechanical digestion begin in the _______

1
Carbohydrates, such as bread, rice and potatoes are broken down into _______
1
Fats, such as butter are broken down into _______ or_______
1
Proteins, such as chicken and fish, are broken down into _______
1
Match the macromolecule to its function
Match the macromolecule to its function
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Glucose | arrow_right_alt | absorbed through the intestine and used by your cells for energy |
Proteins | arrow_right_alt | used to build or repair new cells |
Fatty acids or cholesterol | arrow_right_alt | aid in hormone production and vitamin absorption |
1
The breakdown of food into smaller molecules relies on specialized _______ for each type of energy.
1
Excess glucose is stored as _______
1
Excess fatty acids is stored as _______ in _______ tissue.

1
Enzymes which break down carbohydrates are _______ ,_______ and _______
1
Enzymes which break down proteins are _______ , _______ and _______
1
Fats are broken down into fatty acids in the _______ with the enzyme _______ .

1

Other Answer Choices:
Pharynx
Liver
Esophagus
Rectum
Colon
Salivary Glands
Anus
Small Intestine
Pancreas
Gallbladder

1
In the mouth, your food is _______ or _______ to body temperature.
1
The teeth _______ and _______ the food into _______ .
1
The tongue _______ the food to the back of the throat for _______ .
1
_______ moistens the food and begins to break down _______ .
1
What are taste buds?
What are taste buds?
1
Your tongue has approximately _______ taste buds, which are replaced every _______ to_______ days

1
Once the mouth has digested food, the food is called a _______ .
1
Incisors are used for _______ and _______ .
1
Canines are used for _______ and _______ .
1
Molars and premolars are used for _______ .
1
There are many nerves in the _______ of your tooth, which is protected by the _______ , or hardest part of your tooth.

1
The _______ connect the _______ to the esophagus.
1
The esophagus is a tube made out of _______ that connects the pharynx to the _______ . It is approximately _______ inches long and when empty it is _______ .
1
The esophagus can push food toward the stomach because of _______ muscle contractions.
1
What is the role of the epiglottis?
What is the role of the epiglottis?
1

Other Answer Choices:
Epiglottis
Pharynx
Larynx
Esophagus

1
_______ acid is produced in the stomach.
1
What is the role of Hydrochloric acid in digestion?
What is the role of Hydrochloric acid in digestion?
1
Glands in your stomach produce _______ to help protect the stomach from the acid.
1
_______ is an enzyme that the stomach produces and uses to further digest _______ .
1
Digested food in the stomach is called _______ .
1
_______ muscles control the flow of food entering and leaving the stomach.

1
How do ulcers form?
How do ulcers form?
1
Most ulcers occur because of a _______

1
Why does heartburn occur more frequently during pregnancy?
Why does heartburn occur more frequently during pregnancy?
1
_______ offer temporary relief from heartburn by using _______ to neutralize stomach acid

1
The small intestine is _______ meters long.
1
The small intestine uses enzymes produced on its own, as well as enzymes from the _______ and _______ .
1
The role of the small intestine is to _______ .
1
What are villi and why are they important?
What are villi and why are they important?
1
_______ ,_______ and_______ are 3 of the basic nutrients.

1
The first portion of the small intestine that connects to the stomach is called the _______ .
1
The middle portion of the small intestine is called the _______ .
1
The final portion that connects to the _______ is called the _______ .
1
The small intestine performs two types of muscle contractions known as _______ and _______ .
1
How are peristalsis and segmentation different?
How are peristalsis and segmentation different?
1
What causes your stomach to growl?
What causes your stomach to growl?
1

Other Answer Choices:
jejunum
ileum
Duodenum
Large intestine

1
The liver produces _______ which is a greenish-brown fluid that aids in digestion.
1
Bile breaks down _______ into smaller components is a process known as _______ .
1
Bile is stored in the _______ .
1
Where is bile used?
Where is bile used?
1
What is emulsification?
What is emulsification?
1
The liver stores _______, breaks down _______ from the body, breaks down old _______ and produces _______ . The liver also stores _______ for _______ .

1
Cirrhosis of the liver occurs when the liver is _______ or _______ from ongoing diseases or other conditions.
1
Scar tissue blocks _______ to the liver, which can kill or damage liver _______ .
1
_______ is an inflammation of the liver that can be caused by a _______ or excessive _______ consumption.
1
Symptoms of _______ include fatigue, muscle weakness, _______ (swelling), loss of appetite, and lead to problems in other parts of the body.

1
The pancreas makes about _______ on enzymes daily which are used to break down _______, _______ and_______ .
1
A _______ from the pancreas leads to the _______ of the small intestine.
1
The pancreas makes _______ , a hormone used to regulate blood sugar.
1
Insulin can regulate the level of glucose in the blood by causing cells in the liver, muscles and adipose tissue to take glucose from the blood and store it as _______ , which is stored in the _______ and _______ for _______

1
What is diabetes?
What is diabetes?
1
Insulin converts _______ into _______ .
1
Type I diabetes is also known as _______ diabetes, the body stops making insulin due to an _______ disease which attacks the cells of the _______ .
1
Type II diabetes occurs in _______ and is linked to _______ and lack of _______ .
1
Diet and exercise can treat diabetes as well as _______

1
Another name for the colon is the _______
1
The colon absorbs _______ and _______ into the _______ .
1
From the colon, the feces travels to the _______ , and finally the _______ where there are many _______ bundles.
1
The cecum is a small _______ that connects to the _______ .
1
In the _______ , _______ muscle waves force the feces out through the _______ .

1
What’s in your colon?
What’s in your colon?
1
What is meant by "commensal"?
What is meant by "commensal"?
1
Why is yogurt good for you?
Why is yogurt good for you?
1
What is the appendix?
What is the appendix?
1
The appendix plays an important role in digestion.
The appendix plays an important role in digestion.

1
What are your 2 favorite facts?
What are your 2 favorite facts?