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Renin Angiotensin Aldosterone System Concept Map

See how the kidney, liver, lungs and adrenal gland work together to raise blood pressure and conserve salt. Then build your own map from your lecture notes.

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CogniGuide at a glance

What you get
Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
Exports
Your first PDF or PNG export is free; Plus exports anytime.
Price
Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
Sign-up
A free account is required before you create anything (Google or email). No credit card.
What you can upload
PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.

How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify

Build a RAAS Map From Your Notes

Turn your textbook chapter or lecture slides into a clear, expandable map of the pathway.

Start from your own material

Upload a PDF, Word file, PowerPoint or text file, and the AI extracts the RAAS steps and organs.

Expand each step

Open any node, such as renin release or aldosterone effects, to add detail in a few clicks.

Quiz yourself on the pathway

Turn the finished map into a quiz to test the order of steps and the effects of each hormone.

How to Make a RAAS Concept Map

Three steps from your notes to a study map of the pathway.

  1. 1

    Add your notes

    Upload your RAAS lecture slides, a textbook PDF or pasted text about the pathway.

  2. 2

    AI builds the map

    The AI lays out renin, angiotensinogen, ACE, angiotensin II and aldosterone as linked branches.

  3. 3

    Study, expand, quiz

    Expand the branches, check each effect, then export the map or quiz yourself on it.

Understanding the Renin Angiotensin Aldosterone System

The renin angiotensin aldosterone system is a hormone cascade that regulates blood pressure, blood volume and sodium balance. It starts when the kidney releases renin in response to low renal perfusion or low sodium. A concept map breaks the system into its main stages: the enzyme cascade, the vasoconstrictive effects and the hormone effects on the kidney.

  • Renin release: triggered by low pressure, low sodium or sympathetic signals at the kidney
  • Angiotensinogen to angiotensin I: renin cleaves liver-made angiotensinogen
  • Angiotensin II: formed by ACE in the lungs, it constricts vessels and stimulates thirst
  • Aldosterone: released by the adrenal cortex, it promotes sodium and water retention
  • Feedback control: rising blood pressure and volume reduce renin release

Use the map to revise the order of steps and the effect of each hormone before an exam. You can generate a personalized RAAS map from your own notes with CogniGuide.

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RAAS Concept Map Questions

Common questions about the pathway and how to map it.

Where is renin produced?

Renin is produced by juxtaglomerular cells in the walls of the afferent arterioles of the kidney. These cells release it when blood pressure or sodium delivery to the distal tubule falls.

What does aldosterone do?

Aldosterone acts on the distal nephron to increase sodium reabsorption and potassium excretion. Water follows the sodium, which helps raise blood volume and blood pressure.

Which file types can I use for my RAAS map?

You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images of your notes. You can also type the topic directly.

Can I turn my RAAS map into a quiz for free?

Yes. The free plan allows 5 creations a week with no payment needed. Your finished map can be turned into a quiz to test the pathway steps.