Biology — Osmoregulation
ADH control of water reabsorption.
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digraph Osmoregulation {
node [shape=box, style=rounded];
"Blood too concentrated" -> "Hypothalamus detects";
"Hypothalamus detects" -> "Pituitary releases ADH";
"Pituitary releases ADH" -> "Kidney reabsorbs water";
"Kidney reabsorbs water" -> "Concentrated urine";
"Kidney reabsorbs water" -> "Blood returns to normal" [style=dashed];
}