Renin (angiotensinogenase), is an aspartic protease protein which is secreted by kidney that participates in the body's renin – angiotensin – aldosterone network that mediates arterial vasoconstriction and extracellular fluid volume.
Renin is released by cells of the juxtaglomerular apparatus in response to the stimuli of decrease in arterial blood pressure and the degree of stretch of the arteriole wall.
Answer: Biotechnology is the area of biology that uses living processes, organisms or systems to manufacture products or technology intended to improve the quality of human life.
The organelle you would expect to be especially numerous in the heart muscle cells are called- Mitochondria. Hope this helps you, please help me by saying thanks or rating brainiest.
