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Visualized Homework Examples

Interactive, browser-based versions of every homework/project assignment in Human Physiology for Engineers. Each page re-implements the course’s MATLAB/Simulink model in JavaScript with the same equations and parameters — drag the sliders, click the scenario presets, and hover the plots. No MATLAB required: just open any page in a browser.

Physiology for Engineers I — Homework Projects

HW 1 — Blood Pressure Model

The systemic-artery Windkessel model (sa.m). Presets for arteriosclerosis, arteriolosclerosis, morbid obesity, exercise, and 2nd-degree heart block with live blood-pressure and cardiac-output readouts.

Vascular

HW 2 — Left Heart & Aorta

The Cardio_SA_LV model: time-varying ventricular compliance, mitral/aortic valves, pressure-volume loops. Explore aortic stenosis, mitral stenosis and aortic insufficiency, uncompensated and compensated.

Cardiac

HW 3 — Glucose-Insulin Model

Dr. Khoo’s minimal model (GLUINSMODEL): oral glucose tolerance tests, Type I & II diabetes severity gains, metformin pharmacokinetics coupled to hepatic glucose output, and insulin injection.

Endocrine

Homework Projects (Cell Physiology / Modeling)

HW 1 — Cell Population Dynamics

Logistic growth in a Petri dish with Euler time-step error analysis, the predator-prey system with phase-plane and Jacobian stability, and the stiff three-species Bacillus/Staph/phage model (with a live stiffness demo).

Populations

HW 2 — Diffusion, Mass Action & Membrane Potential

Irreversible A+B→X+Y kinetics with conservation of mass, a diffusion-fed reaction with product feedback inhibition, and the chord-conductance membrane potential — including why IV potassium is lethal.

Cell physiology

HW 3 — Enzyme Kinetics

Full E+S⇌C→E+P dynamics vs the Michaelis-Menten approximation, Km determination, Lineweaver-Burk plots with an uncompetitive inhibitor, and Hill cooperativity for PFK-1.

Biochemistry

HW 4 — Hodgkin-Huxley Action Potentials

Dr. Peskin’s squid-axon scripts, interactive: thresholds in µA and mV, absolute/relative refractory periods, hyper- and hypokalemia via EK, and frequency coding / adaptation under sustained current.

Neural