You are presented with the question "What is the liquid portion of the blood formed by?" and the following answer choices: 
- Evaporation of water
 - basic building blocks of life
 - flow of electrons
 - Veins and arteries.
 - electrons separatin from atoms
 - Something made from fermented ricce
 - circulatory systems
 - heat production

Now knowing that plasma is formed by electrons separating from atoms in stars and plasma Is the liquid portion of the blood, choose the best answer.


 

     electrons separatin from atoms    