1
More than one cell
2
Organelles that contain a green substance
3
One cell, one nucleus
4
Flexible membrane
5
Rigid membrane
6
Basic process of life
7
It fills most of an animal cell.
8
Group of systems
9
Group of organs
10
Group of cells
11
It's a type of protozoa.
12
Group of tissues
13
Red blood cells carry this.
14
Basic unit of life
