Biology_Grade_9_Term_3_Chapter_32_Digestive _System_E-Learning
Week_4_day_2
Student self-assessment
Subject: biology
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grade: 9
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Class:
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Learning objectives
Describe how the kidneys and the liver are
closely associated with the circulatory system as
they perform the excretory function of removing
waste from the blood.
Recognize that kidneys remove nitrogenous
wastes, and the liver removes many toxic
compounds from blood
Questions:
1. What is the main function of the excretory system?
a) To collect and remove wastes from the body
b) To strengthen skeletal muscles
c) To protect the nervous system
d) To bring oxygen to body cells
2. Tiny filtering structures where urine is produced in the kidneys
are called
a) Ureters.
b) Alveoli.
c) Nephrons.
d) Bronchi.
Texas biology, pg. 938-939
edmodo ppt_elearning_week_4_day_1
Texas biology, pg. 940-941
edmodo ppt_elearning_week_4_day_1
3. Which excretory organ eliminates water and some chemical
wastes in perspiration?
a) Lungs
b) Skin
c) Liver
d) Kidneys
4. What function do the kidneys perform?
a) Eliminate carbon dioxide
b) Supply oxygen to body cells
c) Remove urea and excess water
d) Play a role in gas exchange
Biology_Grade_9_Term_3_Chapter_32_Digestive _System_E-Learning
5. The process of removal of the body’s wastes is called
a) Gas exchange.
b) Respiration.
c) Excretion.
d) Filtration.
6. Using the picture, what is the structure of A?
a) ureter
b) Kidney
c) Urinary bladder
d) Urethra
7. Organs of excretion that maintain homeostasis include the
kidneys, lungs, skin, and
a) Bronchus
b) Diaphragm
c) Bladder
d) Liver
8. What organ is D pointing to?
a) Ureters
b) Bladder
c) Urethra
d) Kidney
9. What organ is c pointing to?
a) Ureters
b) Bladder
c) Kidney
d) Urethra
10. The part of the nephron where fluid is absorbed from the
circulatory system is the:
a) Ascending loop of henle
b) Descending loop of henle
c) Bowman's capsule
d) Malphigian tubule
11. The tube that carries urine from the kidney into the bladder is
called the:
a) Ureter
b) Urethra
c) Proximal tubule
d) Collecting duct
12. Blood flows into the kidney along the:
a) Renal venule
b) Renal artery
c) Glomerulus
d) Hepatic artery
Biology_Grade_9_Term_3_Chapter_32_Digestive _System_E-Learning
13. The organs in the image below are responsible for what?
a)
b)
c)
d)
Storing urine
Storing water
Filtering blood
They don't have a particular job
14. What are the filtering units of the kidneys?
a) Nephrons
b) Ureters
c) Nuerons
d) Alveloi
15. Do research based on Kidney diseases and failure.
Write a summary based on your research. Focus on the diseases,
kidney failure, Kidney transplants and dialysis in your research and
summary. (Please DO NOT copy and paste)