Download evaluation - Jejaring Blog Unnes

Name :
Class :
PART 1
Vocabulary
The following vocabulary words are from The Human Digestive System. Fill in the number of
each word next to its closest definition.
VOCABULARY
1. _____ organ that stores bile
1. amino acids
7. lipids
2. _____ building blocks of protein
2. bile
8. liver
3. _____ first portion of the small intestine
3. carbohydrates
9. pancreas
4. _____ main building material of all cells
4. duodenum
10. proteins
5. _____ aids protein digestion in the stomach
5. gallbladder
11. starches
6. _____ largest gland in the body and producer of bile
6. hydrochloric acid
12. villi
7. _____ organic compounds such as fat and cholesterol
8. _____ gland which secretes enzymes for all types of digestion
9. _____ foods that include bread, pasta and potatoes
10. _____ group of compounds that includes starches and sugars
11. _____ fluid which breaks down fats in the small intestine
12. _____ fingerlike projections that increase surface area of the small intestine
PART 2
Checking Comprehension
Read the following sentences and circle the letters of the words that best fill each blank.
The human digestive system is a group of organs that break down food into
_____1_____ to be used as fuel by the body. Digestive juices, which are mostly _____2_____
, speed up this breakdown. Carbohydrates are changed into _____3_____ , fats are digested
into _____4_____ , and proteins are broken down into _____5_____ and amino acids.
Digestion begins in the mouth, where food is ground into smaller particles, and an enzyme
breaks down some of the _____6_____. In the stomach, _____7_____ such as hydrochloric
The Human Digestive System 1
acid begin the breakdown of protein. Fats and starches move on to the _____8_____, where
most of the digestive process takes place. Fluid secreted by the _____9_____ and
_____10____ , which is made in the liver, help digest fat. Enzymes secreted by glands in the
walls of the small intestine continue to break down _____11____. Capillaries and lymph
vessels in the _____12____ absorb the digested food and carry it to the body.
Vocabulary
Molecules
Peptides
Small intestine
Bile
PART 3
enzymes
starches
villi
pancreas
simple sugars
fatty acid and glycerol
starches and proteins
gastric juices
Multiple Choice
Check the correct answer to each question.
1. How does saliva digest food?
❑ by breaking down starches
❑ by using bile to break down sugars
❑ by breaking down proteins
❑ by using peptides to break down fat
2. The first segment of the small intestine is called the:
❑ villus
❑ colon
❑ duodenum
❑ illeum
3. The volume of the human stomach is approximately:
❑ one liter
❑ one-half of a liter
❑ two liters
❑ four liters
4. What are the walls of the stomach lined with?
❑ blood vessels and bile ducts
❑ villi and mucus membranes
❑ blood vessels and intestinal glands
❑ lymph vessels and villi
5. Enzymes in the gastric juices break proteins down into:
The Human Digestive System 2
❑ lipids
❑ amylase
❑ amino acids
❑ simple sugars
6. What type of food begins the digestion process in the small intestine?
❑ starches
❑ sugars
❑ proteins
❑ fats
7. What happens in the duodenum?
❑ food is mixed with pancreatic juice and bile
❑ vitamins and minerals are absorbed
❑ food is crushed by strong muscles and mixed with digestive juices
❑ a large amount of water is absorbed from the food
8. What are the functions of the intestinal juices?
❑ to continue breaking down starches and proteins
❑ to begin breaking down fats
❑ to begin breaking down starches and proteins
❑ to break down vitamins and minerals
9. Where do amino acids and glucose go after being absorbed by the villi?
❑ to the gallbladder
❑ to the large intestine
❑ to the liver
❑ to the lymph vessels
10. Blood vessels in the large intestine absorb:
❑ protein
❑ minerals and water
❑ bile
❑ starches
---- Good Luck ----
The Human Digestive System 3