Mississippi Science HAP.14.2
The Standard
- HAP.14
- Students will investigate the structures and functions of the urinary system, including the cause and effect of diseases and disorders.
Describe the processes of filtration and selective reabsorption within the nephrons as it relates to the formation of urine and excretion of excess materials in the blood.
2026 Mississippi College- and Career-Readiness Standards for Science · Urinary System
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students trace how the nephron filters water and small substances from blood while keeping blood cells and most proteins in it. They explain how the tubule returns needed substances to the blood and sends wastes and excess water out as urine.
What Mastery Looks Like
- A student can trace glucose from the blood into the filtrate and back into the blood. They can explain why blood cells usually stay in the blood while urea and excess water leave in urine.
Common Misconceptions
- Students may think filtration removes only waste, so they miss that glucose and water enter the filtrate too. They may also think everything filtered becomes urine, rather than some substances returning to the blood.
How to Assess It
- On an exit ticket, ask: “Glucose and urea both enter the filtrate. Why is glucose usually absent from urine while urea is present?”
Lesson moves
Ways to Teach It
Give pairs labeled cards for blood cells, proteins, glucose, water, salts, and urea to move through a nephron path taped on a desk.
Ask partners to explain where filtered glucose goes, then write two sentences using the words filtration and reabsorption.
Play a route game: call out a substance, and students point to blood, filtrate, or urine and explain their choice.
Show a mock report with high blood glucose and glucose in urine; ask why the tubules could not reclaim it all.
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Related Standards
- HAP.14.5
Develop and use models to illustrate the path of urine through the urinary tract.
- HAP.14.6
Research and analyze the causes and effects of various pathological conditions and other kidney abnormalities (e.g., kidney stones, urinary tract infections, go...
- HAP.14
Students will investigate the structures and functions of the urinary system, including the cause and effect of diseases and disorders.
- HAP.14.1
Understand the structure and function of the urinary system in relation to maintenance of homeostasis.
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