1. Definition: Specialised cells are cells that have developed certain characteristics to perform a particular function. These characteristics could be in the form of shape, size, or the presence of certain organelles. In the process of specialisation, these cells lose their ability to carry out a wide range of functions but are more efficient at their specific task.

2. Advantage: The main advantage of having specialised cells is that they can perform their specific function more efficiently. Because they are specifically designed and equipped for their role, they can do their job better than a general cell could.

3. Example: An example of a specialised cell is a red blood cell. These cells are specialised for carrying oxygen around the body. They have a biconcave shape to increase their surface area for oxygen absorption. They also lack a nucleus and other organelles to make more room for hemoglobin, the protein that binds to oxygen.

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1. Definition: Specialised cells are cells that have developed certain characteristics to perform a particular function. These characteristics could be in the form of shape, size, or the presence of certain organelles. In the process of specialisation, these cells lose their ability to carry out a wide range of functions but are more efficient at their specific task.

2. Advantage: The main advantage of having specialised cells is that they can perform their specific function more efficiently. Because they are specifically designed and equipped for their role, they can do their job better than a general cell could.

3. Example: An example of a specialised cell is a red blood cell. These cells are specialised for carrying oxygen around the body. They have a biconcave shape to increase their surface area for oxygen absorption. They also lack a nucleus and other organelles to make more room for hemoglobin, the protein that binds to oxygen.

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1. Definition: Specialised cells are cells that have developed certain characteristics to perform a particular function. These characteristics could be in the form of shape, size, or the presence of certain organelles. In the process of specialisation, these cells lose their ability to carry out a wide range of functions but are more efficient at their specific task.

2. Advantage: The main advantage of having specialised cells is that they can perform their specific function more efficiently. Because they are specifically designed and equipped for their role, they can do their job better than a general cell could.

3. Example: An example of a specialised cell is a red blood cell. These cells are specialised for carrying oxygen around the body. They have a biconcave shape to increase their surface area for oxygen absorption. They also lack a nucleus and other organelles to make more room for hemoglobin, the protein that binds to oxygen.

Define the term specialised cells, identify one advantage of having them and describe one example of a specialised cell.

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