Soda is bad for you mainly because its unhealthy. Soda can cause holes in your bones. About 70% kids drink soda.
Excitatory neurotransmitter? This question is too vague.
They would be called fair skinned (fair skin)
The time it takes for dissolvable or absorbable stitches to disappear can vary. Most types should start to dissolve or fall out within a week or two, although it may be a few weeks before they disappear completely. Some may last for several months.
The answer would be 2 placenta. A thin walled sac that surrounds the fetus during pregnancy. The sac is filled with amniotic fluid(liquid made by fetus) and the amnion(the membrane that covers the fetal side of the placenta)