I believe the answer to this question is cellular respiration
I'm not sure how exactly you wanted this question to be answered. You're either talking about the symmetry where animals would have two legs or two arms for example and thus producing a pair of each muscle on both sides of the body, or you're refering to the development of agonistic and antaonistic muscles where each of them served a different purpose; either extending or contracting.
The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong
Answer:
The parasite that causes malaria in humans, is located in the liver cells where it then multiplies then transfers into the red blood cells.
B) Liver
Hope this helps ;)
It is the second option
Gg symbolises green color(because G is dominant so it will be green) and GG symbolises yellow( as there is no dominant trait present)