Which hormone is secreted by the juxtaglomerular apparatus (JGA) in response to low blood pressure?
The JGA secretes renin in response to low blood pressure, which activates the renin-angiotensin mechanism to increase blood pressure. This follows from NCERT principle where relation explains outcome clearly for students.
Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.
