O are there things on the nephron diagram that you do

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o Are there things on the nephron diagram that you do not understand? Take time to learn about those areas you are uncertain of. o Study Tip : Be able to draw the diagram of the nephron from memory. Teach a friend what you understand. Video Resources: o The Nephron-Ultrafiltration and Selective Reabsorption by MrExham: o The Loop of Henle Explained by Biomed: o Nephron Function by Handwritten Tutorials: o Function of the Nephron by ocrbiologya2 o Reabsorption in the Nephron by PenguinProf: 7.2.3 - Secretion Describe the process of secretion. Where does secretion take place and what type of substances are secreted?
Explain what typically happens to penicillin in the kidneys. How were physicians able to increase the half-life of penicillin and decrease the clearance rate? (Tip for the future: the way the body handles Penicillin is similar to how our body handles PAH – a substance we will be discussing later on.)
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BIO 265 What would be the purpose of the body having the ability to secrete H+, HCO3, Ca+ or K+ from our kidneys? Which parts of the nephron secretes/reabsorbs each of these substances?
7.2.4 – Excretion Excretion is the whole process of urine formation and excreting the remaining filtrate in the form of urine. We will be discussing urine formation in greater detail in the next section. Notice the image in the text illustrating this overall process. What is the equation for Excretion ?
As you read through the summary in this section, answer the questions below:
Which substances are filtered and which are not filtered? What is the normal rate of filtration and what determines GFR?
How is the “good stuff” transported back to your blood system? Which substances are the “good stuff” that are reabsorbed?
What are five different ways substances are reabsorbed as they
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Video Resources : Urinary System The nephron: Take BIO 265 Quiz 7.2 Page 5

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