The Human Kidney: Structure and Function
A Grade 9 science worksheet exploring the structure, function, and importance of the human kidney in maintaining homeostasis.
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The Human Kidney: Structure and Function
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Read each question carefully and provide your best answer. Refer to your notes or textbook if needed.
1. What is the primary function of the kidneys?
Pumping blood throughout the body
Filtering waste products from the blood
Producing digestive enzymes
Regulating body temperature
2. Which part of the nephron is responsible for the initial filtration of blood?
Loop of Henle
Collecting duct
Glomerulus
Renal artery
3. The functional unit of the kidney is called the .
4. Urine is transported from the kidneys to the bladder via tubes called .
5. The process of maintaining a stable internal environment in the body is known as .
6. Briefly explain the role of selective reabsorption in urine formation.
7. Identify the labeled parts of the human kidney in the diagram below.
A.
B.
C.
D.
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