<em><u>Answer: Plasma.</u></em>
<u><em /></u>
<em><u>Explanation: Plasma is the liquid component of blood, in which the red blood cells, white blood cells, and platelets are suspended. It constitutes more than half of the blood's volume and consists mostly of water that contains dissolved salts (electrolytes) and proteins. The major protein in plasma is albumin.</u></em>
<u><em /></u>
Answer: they are mostly single celled organisms and they usually reproduce A-sexually.
Selective permeable means it selects what goes out and comes into the cell. If the cell membrane wasnt selective then things could enter the cell and destroy it.
-Seth
