Answer:
Approximately five percent of the ocean has been discovered, which leaves 95 of the ocean unexplored. Depending on who you ask, there exists not one—but two—final frontiers of discovery.
The two are blood and lymph
"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
The Central Nervous System
-Serves as the control center for the body
The Peripheral Nervous System
-Sends information to
and from the brain and spinal cord
-Divided into the
sensory somatic nervous system and the autonomic nervous<span> <span>system</span></span>
They are the light reactions and calvin cycle. The products from light reactions are ATP and NADPH
