We grow new cells primarily through a process called cell division, which is essential for replacing damaged or dead cells.
The Process of Cell Division
The body relies on cell division to create new cells that replace old or damaged ones. This process ensures the continuous renewal and repair of tissues and organs. According to the provided reference, when cells become damaged or die, the body makes new cells to replace them through cell division. The key idea is that a cell doubles by dividing into two.
Key Aspects of Cell Division:
- Replacement: Cell division is the primary mechanism for replacing cells that are damaged or have reached the end of their lifespan.
- Duplication: A cell doubles its contents and then divides into two identical cells.
- Continuous Process: This process happens continuously throughout life, maintaining the health and functionality of the body.
Simplified Explanation
Imagine a cell that needs to be replaced. Here’s how it works:
- The body signals the need for new cells.
- A parent cell prepares to divide by duplicating its contents.
- The parent cell splits into two identical daughter cells.
- These new cells then perform the functions of the cells they replaced.