Homeostasis & ResponseHigh Exam FrequencyAQAEdexcelOCRWJEC
Water Regulation
Topic 7: Water Regulation
Study this topic
1Introduction2Deep Dive3Key Facts4Deep Dive5How It Works6Definitions7Misconceptions8Memory Aid9Higher Tier10Exam Focus11Summary12Exam Tips
The Story: Your Body's Water Filter
Deep Dive: Homeostasis Definition
Negative Feedback
The Kidney & Nephron
How It Works: ADH and the Negative Feedback Loop
Key Definitions
Common Misconceptions
Memory Aids
Higher Nephron Structure and Dialysis vs Transplant
Exam Focus
Knowledge Organiser
Exam Tips: Water Regulation
Sample Flashcards
What is osmoregulation?
Osmoregulation is the control of the water content and ion concentration of the blood. The kidneys are the main organs responsible for this.
What is ADH and what does it do?
ADH (antidiuretic hormone) is released by the pituitary gland. It makes the kidneys reabsorb more water from the filtrate back into the blood, producing smaller amounts of more concentrated urine.
Exam questions for Water Regulation
Where does the filtration of blood take place in the kidney?
Describe the process of selective reabsorption in the kidney and explain why it is important.
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