Internal Environment Course
Master fluid balance, hormonal control, and renal regulation with the Internal Environment Course. Designed for biological science professionals, it links core physiology to exercise, heat stress, lab data, and real-world clinical or research decisions.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
The Internal Environment Course gives you a clear, practical understanding of body fluid compartments, osmolarity, and homeostasis during intense exercise and heat. You will explore sweating, cardiovascular and respiratory responses, renal regulation, ADH, aldosterone, thirst control, and feedback loops, then apply this knowledge to interpret lab data and predict fluid and electrolyte changes with confidence.
Elevify advantages
Develop skills
- Analyze body fluid compartments: quickly interpret ICF, ECF, and plasma shifts.
- Predict hormonal responses: ADH, aldosterone, and thirst changes under stress.
- Interpret renal data fast: link GFR, urine osmolarity, and volume to dehydration.
- Read lab proxies with confidence: hematocrit, plasma osmolality, urine gravity.
- Map feedback loops: integrate neural, renal, and hormonal control of homeostasis.
Suggested summary
Before starting, you can change the chapters and the workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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