What is the effect of increased blood osmolarity on ADH secretion?

What is the effect of increased blood osmolarity on ADH secretion?

Step 1: Understand what blood osmolarity means. It refers to the concentration of solutes (like salts and sugars) in the blood.
Step 2: Know that when blood osmolarity increases, it means there are more solutes in the blood compared to water.
Step 3: Recognize that the body needs to balance the amount of water and solutes in the blood.
Step 4: When blood osmolarity is high, the body detects this change.
Step 5: The body responds by stimulating the secretion of a hormone called ADH (Antidiuretic Hormone).
Step 6: ADH travels to the kidneys and tells them to reabsorb more water back into the bloodstream.
Step 7: As a result, less water is lost in urine, which helps to lower blood osmolarity back to normal levels.

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