1. Chapter 38 Digestive & Excretory Systems
Daily Homework & IQ’s
Chapter 38 Digestive & Excretory Systems

2. Homework (Mon. 5/21) Read Pgs. 970-977 in Chapter 38
Write down which foods you ate throughout the day today and the amount. Try to be as exact as you can on the amounts. (separate paper)
**You will be doing this for each day this week (mon.- fri)
Do Section Assessment 38-1 Quest. 1-5

3. Homework (Tues. 5/22) Do IQ #2 (Read pgs. 978-980)
Bring in TWO Nutrition Fact Labels to analyze tomorrow. Be sure it is from something you ate. If it is at a fast food Rest. Get a copy of the nutrition fact sheet & highlight the items you ate. You can also take a picture of the label and print it out)
Continue to write down which foods you ate throughout the day today and the amount. Try to be as exact as you can on the amounts. (separate paper)
**You will be doing this for each day this week (Mon.- Fri)

4. Homework (Wed. 5/23) Do IQ #3 (Read pgs. 978-984)
DO Section Assessment Questions #1-5 (pg. 984)
Continue to write down which foods you ate throughout the day today and the amount. Try to be as exact as you can on the amounts. (separate paper)
**You will be doing this for each day this week (Mon.- Fri)

5. Introductory Questions #4
The cells that make up the gastric glands produce a mixture substances that make up “gastric juice” Name these substances and what they do to help wit the digestion of food. (see pg. 980)
Look at the Table on pg. 981 and name the type of food that each enzyme works on.
-Amylase -Lipase -Pepsin -Trypsin
Briefly exaplin what “Chyme” is.
Name two accessory organs that help in the chemical break down of food in the small intestine. Why is it important to break the food down to such small molecules?
Explain what the two accessory organs (mentioned in #4) do to help in digestion, what do they produce?
Name the key finger-like structures that are present in the inner wall of the small intestine. What do these structures do? (see pgs. 982 & 983) – DRAW an example of these.

6. Homework (Thurs. 5/24) Review for the Quiz tomorrow
Go to
Type in the web code: cbn-0382 and do the tutorial for the “Digestive System” - Review the key enzymes.
Type in Web Code cbn-0381 to review the links on Nutrition
**Print out
Continue to write down which foods you ate throughout the day today and the amount. Try to be as exact as you can on the amounts. (separate paper)
**You will be doing this for each day this week (Mon.- Fri)

7. Homework (Fri. 5/25)
None
Yeah!!!!!

8. Homework (Wed. 5/30)
Finish IQ #5
(stamp tomorrow)

9. Homework (Thurs. 5/31)
Do IQ home by going to my website and answering the Questions (stamp tomorrow)
**Extra Credit Stamp:
-Do Sect. Assessment 38.3
Quest. #1-5
**Turn in today if finished/Hand back on Mon.

10. Homework (Fri. 6/1) Read Sect. 38.3 (Pgs. 985-989)
Do Section Assessment Questions #1-5 on pg. 989 (sect. 38-3)

11. Homework (Mon. 6/4) -Use the web code on Pgs. 988 (cbn-0383)
Search Online for an image of the Bowman’s capsule and print it out.
Go to:
-Use the web code on Pgs (cbn-0383)
-Click on “Concentrating Urine-The Mammalian Kidney
-View the animation and Do the Self Quiz at the end.
**Printout your self quiz results**
I will be stamping BOTH Printouts tomorrow!!!!

12. Homework (Tues. 6/5) Do “Reviewing Content Quest. #1-10 on Pg. 993
Do “Understanding Concepts” #12, 13, 15, 19, 21, & 24, 25
Do the Standardized Test Prep Quest. #1-8 on pg. 995

13. Items for your Assignment Packet
Cover sheet (name, period, date & Ch. 38)
Calorie Journal
Textbook Hmwk. Assignments:
Sect. Assess (pg. 977)
Sect. Assess (pg. 984)
Sect. Assess (pg. 989)**extra credit stamp
End of Chapter Questions:
Quest. #1-10 on pg. 993
Understanding Concepts # #12, 13, 15, 19, 21, & 24, 25
Standardized Test prep Quest. #1-8 on pg. 995
Lab Activity: Drawing & Pix w/labels of Glomerulus
Video Notes (x4)
IQ’s (x8)
Online Printout (self quiz from Scilinks)
Practice MC test (Online Textbook)-Tonight’s Homework

14. Homework (Wed. 6/6) Take the Textbook Online quiz @
Printout your results & Attach to the back of your packet
** if you are not registered then follow these steps:
-Click “register”
-Type in this access code: D52CA EACE252
-Establish a Username & Password
(don’t use your full name)

15. Introductory Questions for Ch. 38

16. Introductory Questions #1
Why do we need to eat food? Give TWO Main reasons.
How do we measure the amount of energy in food? What is the unit of measurement?
List all of the main nutrients your body needs. Which nutrient is most important? Explain why? How much of this nutrient do we need each day?
Give some examples of Carbohydrates, Fats, and proteins. Name the foods that are rich in each of these.
Out of the 20 amino acids that make proteins, 8 of these cannot be made by the body. Name these 8 (see pg. 973)
How is a vitamin different from a mineral. Give TWO examples of a vitamin and two examples of a mineral.
Name a type of food you can eat to obtain the following vitamins and minerals: (hint: use the tables on Pgs
-Folic acid -Potassium -Zinc
-Vitamin D -Iron -Vitamin E & K

17. Introductory Questions #2
Matching Ex.
-Insulin & hemoglobin A. Proteins (polypeptides)
-Cell membranes & hormones B. Fats/Lipds
-Glycogen & cellulose C. Carbohydrates (polysaccarides)
-Enzymes
-Lactose, glucose, sucrose
-Saturates & Unsaturated
What two factors do you need to consider whenever you eat food? (See pg. 976)
Look at the Nutrition label on Pg. 977, answer the FIVE Questions asked (calculating-Going further)
What foods form he base of the food pyramid? Why are these foods positioned at the bottom?
What is the function of the digestive system? What role does saliva and your teeth play when you digest food?
How is the small intestine different from the Large intestine (give three differences)

18. Introductory Questions #3
Name the two types enzymes produced by the salivary glands. Briefly explain what these enzymes do.
Name the FOUR types of teeth in your mouth. Explain what each type of tooth does.
Name the flap-like structure that ensures food will go down the esophagus and not the trachea (windpipe). See pg. 980
Explain how food travels through the esophagus and intestinal tract.
What causes someone to have heartburn?

19. Introductory Questions #4
The cells that make up the gastric glands produce a mixture substances that make up “gastric juice” Name these substances and what they do to help wit the digestion of food. (see pg. 980)
Look at the Table on pg. 981 and name the type of food that each enzyme works on.
-Amylase -Lipase -Pepsin -Trypsin
Briefly exaplin what “Chyme” is.
Name two accessory organs that help in the chemical break down of food in the small intestine. Why is it important to break the food down to such small molecules?
Explain what the two accessory organs (mentioned in #4) do to help in digestion, what do they produce?
Name the key finger-like structures that are present in the inner wall of the small intestine. What do these structures do? (see pgs. 982 & 983) – DRAW an example of these.

20. Introductory Questions #5
How are fat molecules absorbed? (see pg. 983)
Once the food leaves the small intestine and enters into the blood stream, what is left behind?
Why is the large intestine considered “Large”?
What function does the large intestine serve?
What purpose does the appendix serve?
Name the bacteria that is known to cause stomach ulcers. How curable are ulcers? What can be done?
Which Vitamin is produced by the bacteria present in the large intestine?
Name three waste products that must be excreted from the body. (see pg. 985 – Sect. 38.3)
Draw a kidney and include the following labels:
-cortex -renal artery -renal vein
-medulla -ureter

21. Introductory Questions #6
Name three roles that the kidneys play in order to maintain homeostasis in the body? (see pg. 985)
Where are the kidneys located in the body?
What does the kidney remove from the blood?
How is the renal artery different from the renal vein?
The functional unit of the kidney is called a ____.
Where is the renal cortex located compared to the renal medulla?
Define Filtration and where it occurs in the nephron.
How long does it take for your kidneys to filter all of your blood? (see pg. 987)

22. Introductory Questions #7
Describe what a glomerulus is. What about the Bowman’s capsule.
Name all of the structures that the “filtrate” urine flows through as it is produced in the nephron beginning with the Bowman’s capsule.
What kind of salts combine to form stones in the kidney? What kind of treatment can be done? (see pg. 988)
When you drink a glass of water where does the liquid go?
Name the TWO ways that can keep a person alive if both kidneys are damaged and not functional?
What are the downfalls of doing dialysis?

23. Introductory Questions #8
Matching Exercise:
Has rich colonies of bacteria that produces Vitamin K A. Pancreas
Inner wall has many villi B. Liver
Glomerulus & Bowman’s capsule C. Stomach
Produces/Secretes Digestive enzymes D. Small intestine
Chief cells & Parietal cells E. Large Intestine
Produces Urea F. Kidneys
Specialized to absorb water
Produces bile
Regulates water & Blood volume/pressure
The bacterim Heliobacter pylori causes ulcers here
Segments include: duodenum, jejunum, & ileum
II. Multiple Choice/True-False/fill in the blank Questions:
The functional unit of the kidney is called a ______________
Heartburn occurs in the ______________.
Re-absorption & Secretion occurs between the glomerulus & Bowman’s capsule (T/F)
Both antibiotics and amylase is produced and makes up a large part of saliva (T/F)
Calcium, Magnesium, and Iodine are all considered to be ______________.
Hydrochloric acid (HCl) is produced by
Pancreas b. Liver c. Parietal cells d. Chief cells e. villi
Which one of the following will have the most calories?
a. 10g of carbs b. 10g of fat c. 10g of protein 10g of water

24. Items for your Assignment Packet
Cover sheet (name, period, date & Ch. 38)
Calorie Journal
Textbook Hmwk. Assignments:
Sect. Assess (pg. 977)
Sect. Assess (pg. 984)
Sect. Assess (pg. 989)**extra credit stamp
End of Chapter Questions:
Quest. #1-10 on pg. 993
Understanding Concepts # #12, 13, 15, 19, 21, & 24, 25
Standardized Test prep Quest. #1-8 on pg. 995
Lab Activity: Drawing & Pix w/labels of Glomerulus
Video Notes (x4)
IQ’s (x8)
Online Printout (self quiz from Scilinks)
Practice MC test (Online Textbook)-Tonight’s Homework