Multicellular organisms contain organ systems. Which of the following BEST describes the organs in an organ system

Me with these questions if you’re it sure don’t answer

The basic types of tissue in the human body are

If the dimensions of a cube-shaped cell with a length,height, and width of 1 micrometer were to double, what would be the cell's new ratio of surface area to volume? a.3 to 1 b.4 to 3 c.1 to 2 d1 to 6