Download Reading articles on digestive system

Reading articles on digestive system AMSTI
Read the specified pages in the AMSTI
book and answer the following
questions.
Into The Stomach-pp 30-31
1. Where is saliva produced? How
much saliva is produced in mouth
each day?
Saliva is produced by salivary glands in
the mouth 1.5 liters of saliva is
produced in the mouth each day
2. Name the enzyme in the saliva?
What does it do?
The enzyme is amylase. Breaks down
starch into sugar
3. What are the sharp teeth in front
called? What are the teeth used for
cutting the food called?
Incisors
canine
4. How does the tongue help in
digestion?
It moves the food around.
5. What is mechanical digestion?
Grinding, cutting, mixing and of food,
teeth, tongue and saliva helps with
mechanical digestion
6. What is a ball of food that is
swallowed called?
bolus
7. Name the second organ of the
digestive system?
esophagus
8. What is a sphincter? Name the
sphincter that leads the food to the
stomach
It is a muscular valve that makes sure
that food goes in one direction . The
sphinctor that leads to the stomach is
the esophaegal sphincter.
Into the blender-pp 38-39
9. What is chyme?
Food that looks like thick creamy liquid
in the stomach is called chyme
10. What are the gastric juices
made up of?
Hydrochloric acid and pepsin,
11. What causes ulcers?
Ulcers are caused by bacteria or too
little mucus in the stomach walls . The
acid irritates the lining of the stomach
that has less mucus and causes pain.
The acid can also create holes in
stomach.
12. What causes heartburn?
Gastric juices back up into the lower
esophagus causing heartburn
13. In a pizza what is digested in
the mouth?
Carbohydrates (starch) or the crust
14. What is left from a pizza piece
in the stomach?
Some Sausage and fat
The long winding tube pp 48-49
15. Where do Peppy and Bollo land
after the stomach?
In the small intestine
16. How long is the small intestine?
Why is it called small intestine?
7 meters. It is called small intestine
because it is narrow .It has a small
diameter.
17. How does gall bladder get into
action once food gets into the
small intestine?
Gall bladder stores the greenish liquid
called bile that is made by the liver.
Once food enter the small intestine ,
the gall bladder contracts and pump
bile into small intestine. It then break
down the fat in the small intestine.
18. What nutrients that are
digested in the small intestine?
Fats and all remaining carbohydrates
and proteins that have not been
digested in the stomach and the mouth
are digested in the small intestine
19. What is pizza changed into in
the small intestine? It is changed
into a soupy mix containing
digested food like amino
acids(broken down proteins),
broken down fats, sugars(broken
down starch), vitamins and
minerals. The undigested pizza is
ready to go into the large intestine
Surface area: Your intestine is not
small at all pp 54-55
20. What is the surface of the small
intestine made up of?
Folds called villi. Villi increase the
surface area for absorption
21. What is the job of the villa Villi
increases the surface area for
absorption
Lefto vers: pp 56-57
22. What is appendicitis?
When waste back up into appendix and
bacteria sets into the waste and
inflames the appendix.
23. What is the direction that Peppi
and Bollo have to take in the large
intestine?
Large intestine goes up, and sideways
and down
24. What happens to the amount of
water in the large intestine?
The amount of water in large intestine
decrease as it is squeezed(absorbed)
into the blood stream
25.Where
do water and minerals
enter after they leave large intestine-In the blood
steram
26.