Respiration and Excretion
by Anonymous
Move the ribs and diaphragm to see pressure differences drive breathing, compare oxygen levels for gas exchange, and trace filtration and reabsorption in the kidneys.
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About this app
Respiration and Excretion is an interactive middle-school science app about breathing, gas exchange, and urine formation. Explore how rib and diaphragm movements change chest volume and pressure, how oxygen and carbon dioxide move across different body sites, and how the kidneys filter and reabsorb substances. Four guided missions in each section turn these processes into hands-on comparisons and choices.
Use cases
- Middle-school students learning human respiration and excretion
- Teachers demonstrating pressure differences and diffusion
- Science learners reviewing alveoli, blood gases, and kidney function
- Families exploring core life-science concepts interactively
Features
- Adjust rib position and diaphragm position to model six breathing states
- Compare chest volume, internal pressure, and the resulting direction of air movement
- Investigate oxygen and carbon dioxide movement at the air sac and body cells
- Track protein, glucose, water, and urea through blood, filtered liquid, and urine
- Complete four missions in each of the breathing, gas, and urine sections
- Reset activities and progress through missions step by step