Cell membrane is a flexible covering that surrounds the animal cell.
It basically covers all types of cells. It allows food, water, and gases to enter the cell and wastes to leave it.
I'd Say B. I did this stuff in class last week.
i dot know if i correct though.
Sea water is salty, too salty for consumption. Our kidneys cannot properly process that much salt. The salt will dry our bodies out resulting in dehydration.