Blood vessels carry nutrients (like glucose)and oxygen to the muscles cells that need them blood vessels take away carbon dioxide and waste from muscle cells what are two systems?

Ihave made a synthetic cell by placing a solution that is 10% sodium chloride inside a semipermeable membrane through which water can pass but not sodium chloride. if i place this cell into a solution that is 20% sodium chloride what will happen to the size of the cell? will it increase, decrease, or stay the same in size?

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?

Based on their relative positions in the periodic table, which two elements would have the same number of valence electrons?