The code word is A?........
Prostaglandins are not stored in cells and are synthesized just before they are released, rapidly inactivated after their release and they are paracrine substances (Options b, c and e).
<h3>Whta are prostaglandins?</h3>
Prostaglandins are chemical substances that act as hormones by affecting surrounding cells in a tissue.
These substances (prostaglandins) are not secreted by specific glandular organs as other hormones.
Prostaglandins are substances that have fundamental functions for the normal functioning of the body.
Learn more about prostaglandins here:
brainly.com/question/8213520
<span>An asteroid is a celestial body - composed of rock, metal or a mixture of both - that is orbiting the Sun. Most of them are in the asteroid belt between Mars and Jupiter. Even though there are millions of asteroids with sizes up to more than 500 km, they are of no danger to the planet Earth.</span>
Activated cytotoxic cells (t lymphocytes) flags cells for destruction by macrophages. Ctotoxic t cells are the most important cells in the adaptive immunity, since they are required for almost all adaptive immune responses. They help activate B cells to secrete abtibodies and macrophages to destroy ingested microbes and also activate cytotoxic t cells to kill infected target cells.