A. Directions: Put a check mark (√) if the following statements
describe the characteristics and functions of the stomach and
intestines.
_____1. The stomach is a large organ that is lined with layers of
muscles.
_____2. In the stomach, food is broken down into smaller
particles.
_____3. The mouth is not involved in the digestion process.
_____4. The small intestine is about 2.5 cm wide and 7m long
coiled tube where food is finally digested and absorbed.
_____5. The final digestion takes place in the small intestine.
B. Directions: Draw a smiley face ( ) if the following statement
describe the functions of stomach/intestines and draw a sad face
( ) if not.
_____1. Stomach squeezes food.
_____2. Food is physically changed in the stomach.
_____3. The chemical part of digestion happens in the mouth.
_____4. The nutrients are absorbed in the intestines.
_____5. Colon absorbs water from wastes.
What I Have Learned
Directions: Complete the statements below by supplying the
correct word from the box. Write your answers in your Science
notebook.
I learned that:
The process by which food is broken down into
nutrients is called1. __________, 2. ___________ is a sack-like
container of food made from involuntary muscle. It contracts and
relaxes in order to digest food. Stomach contains digestive juices
like hydrochloric acid and 3. ___________ to make digestion fast.
4._____________ and 5._____________ are parts of the organs that
contribute to helping the body to digest food properly.
c. Contains digestive juices and other
enzymes that completely digests food
and absorbs digested nutrients.
Wow! What a great effort.
stomach digestion small intestine
large intestine enzymes saliva
a. Receives undigested food particles,
to be passed during defecation process.
b. Produces enzymes and hydrochloric
acid that digest proteins.
d. As the muscles continue to contract,
the food is squeezed and mixed with
digestive juices to change the food into
thick liquid called chyme.
10
What I Can Do
Directions: Answer the following questions briefly. Write your
answers in your Science notebook.
a. What did you eat for breakfast?
b. What parts of the body change the food we eat before it will
be absorbed by the body cells?
c. What should be done to the food you eat before it can be used
by the body for growth?
Assessment
A. Directions: Read and analyze each sentence. Write the letter of
the correct answers on your notebook.
1. It contains digestive juices like hydrochloric acid for faster
digestion.
a. bones b. heart c. liver d. stomach
2. After chewing or eating the food, it goes through the stomach
and ____.
a. stored c. digested
b. removed d. goes with the blood
3. It is where final digestion and absorption of food take place.
a. liver c. stomach
b. large intestine d. small intestine
4. It is the type of digestion which breaks food into smaller
pieces by chewing food in the mouth.
a. large intestine c. chemical digestion
b. small intestine d. mechanical digestion
Answer:1. The stomach is a large organ that is lined with layers of
muscles.
/2. In the stomach, food is broken down into smaller
particles.
_____3. The mouth is not involved in the digestion process.
_____4. The small intestine is about 2.5 cm wide and 7m long
coiled tube where food is finally digested and absorbed.
_____5. The final digestion takes place in the small intestine.
B. Directions: Draw a smiley face ( ) if the following statement
describe the functions of stomach/intestines and draw a sad face
( ) if not.
_____1. Stomach squeezes food.
_____2. Food is physically changed in the stomach.
_____3. The chemical part of digestion happens in the mouth.
_____4. The nutrients are absorbed in the intestines.
_____5. Colon absorbs water from wastes.
What I Have Learned
Directions: Complete the statements below by supplying the
correct word from the box. Write your answers in your Science
notebook.
I learned that:
The process by which food is broken down into
nutrients is called1. __________, 2. ___________ is a sack-like
container of food made from involuntary muscle. It contracts and
relaxes in order to digest food. Stomach contains digestive juices
like hydrochloric acid and 3. ___________ to make digestion fast.
4._____________ and 5._____________ are parts of the organs that
contribute to helping the body to digest food properly.
c. Contains digestive juices and other
enzymes that completely digests food
and absorbs digested nutrients.
Wow! What a great effort.
stomach digestion small intestine
large intestine enzymes saliva
a. Receives undigested food particles,
to be passed during defecation process.
b. Produces enzymes and hydrochloric
acid that digest proteins.
d. As the muscles continue to contract,
the food is squeezed and mixed with
digestive juices to change the food into
thick liquid called chyme.
10
What I Can Do
Directions: Answer the following questions briefly. Write your
answers in your Science notebook.
a. What did you eat for breakfast?
b. What parts of the body change the food we eat before it will
be absorbed by the body cells?
c. What should be done to the food you eat before it can be used
by the body for growth?
Assessment
A. Directions: Read and analyze each sentence. Write the letter of
the correct answers on your notebook.
1. It contains digestive juices like hydrochloric acid for faster
digestion.
a. bones b. heart c. liver d. stomach
2. After chewing or eating the food, it goes through the stomach
and ____.
a. stored c. digested
b. removed d. goes with the blood
3. It is where final digestion and absorption of food take place.
a. liver c. stomach
b. large intestine d. small intestine
4. It is the type of digestion which breaks food into smaller
pieces by chewing food in the mouth.
a. large intestine c. chemical digestion
b. small intestine d. mechanical digestion
Explanation:
