辞書 英語 - 英語
- the basic structural and functional unit of all organisms 英語で:
1. 
cells
In science class, we drew pictures of cells.
The human body is composed of billions of small cells.
Muscle tissue consists of innumerable cells.
Cells have two methods of reproduction: mitosis and meiosis.
The white blood cells are filtered out so that they do not attack the body of their new host.
As people get older, their brain cells become less efficient.
