Answer:
bioluminescent-from the word you get bio-somthing with connection of biology also luminous-something deal with light hence what bioluminescent molecules are living organism eg of special chemical are luciferin and luciferase and photoprotein
Answer:
Gas exchange
Explanation:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
Organs , fins is the correct answer