7th Grade Digestive System

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?

1
Another name for the digestive tract is the _______
1

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

Draggable itemCorresponding Item
Glucose
absorbed through the intestine and used by your cells for energy
Proteins
used to build or repair new cells
Fatty acids or cholesterol
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?

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?

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?

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?

1
Most ulcers occur because of a _______
esophagus
1

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?

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?

1

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?

1

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?

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?

1

What is meant by "commensal"?

1

Why is yogurt good for you?

1

What is the appendix?

1

The appendix plays an important role in digestion.

1

What are your 2 favorite facts?