HW for Science by 2F53T0P

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									Name:
Block A
Date:
Worksheet on the Digestive System


Multiple Choice Circle the letter that best answers the question.


1. What role does digestion play in our body?
a. breaks down molecules
b. provides nutrients
c. water absorption
d. all of the above


2. Digestion first starts where?
a. lips
b. mouth
c. tongue
d. esophagus


3. Where is most of the water absorbed during digestion?
a. mouth
b. small intestine
c. stomach
d. large intestine


4. What role does the liver have in digestion?
a. produces bile
b. produces insulin
c. secretes substance to neutralize stomach acid
d. stores bile


5. Losing too much body fat can:
a. make you look better
b. lead to higher chances of diabetes
c. can lead to anorexia
d. cause skin cancer
6. Not having enough Vitamin C can lead to:
a. cancer
b. bubonic plague
c. obesity
d. scurvy


Short Answer Questions Answer the questions accordingly. The following
questions DO NOT have to be answered in complete sentences.


7. What does amylase do in our mouth? How is amylase produced?
               .




8. Why does the stomach not get burned by the hydrochloric acid it produces?




9. What can cause damage to the digestive system?




10. From which food group should you have the most servings of per day?




Long Answer Questions      Answer the questions accordingly. Please answer
these questions in COMPLETE SENTENCES.


11. What is the difference between chemical and mechanical digestion?
12. How do the villi lining the small intestine help increase the efficiency of
digestion? (Hint: think surface area)




13. How does the digestive system interact with the respiratory and circulatory
system?




15. Are most vitamins and minerals produced in the human body? If not, then
how do we supply our body with vitamins and minerals?




EMAIL ME AT sophielee95@hotmail.com!!! DON’T SEND IT TO PETER. I WILL BE
GRADING THESE PAPERS.


IT’S DUE BY 8AM (NOT PM), AGAIN I REPEAT 8AM, ON MONDAY.
PLEASE, YOU GUYS, YOU HAVE THE WEEKEND TO DO IT. AND IT’S NOT HARD;
IT’S ALL FROM YOUR POWERPOINT AND NOTES.

								
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