Renin enzyme
Renin enzyme are also known as angiotensinogenase and
function by regulating the body means arterial blood pressure. They do circulate
in the blood stream and digest angiotensinogen that was secreted in the liver
into peptide angiotensin 1. Thus, they are secreted by the kidney and placenta.
Sources of heat from inside earth is radioactive decay and residual heat.
Phagocytosis is the answer to this one :)
By the time the bubbles rose to the surface of the ocean, the bubble model proposes that simple organic molecules had formed inside. The bubbles burst upon reaching the surface, releasing those molecules into the air.
