Answer:
Cells and tissue
Explanation:
Cells are the most basic unit of life made up of several organelles that perform various functions which enables the cell to exist.
An aggregation of cells is called a tissue. The bone is composed of several interconnected cells and tissues.
A bone heals when bone cells and tissues are gradually repaired. Hence, the most basic levels of organization involved when a bone heals are cells and tissues.
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The difference between plant and animal vacuoles is that plants have one large vacuole enclosed by a membrane and animal cells have many, smaller vacuoles. The vacuole in a plant cell will often take up nearly 90 percent of the cell’s volume.
Only animal cells have lysosomes, only plant cells have chloroplasts,While plants cells have a rigid cell wall, animal cells have a thin and flexible plasma membrane,Plants cells have a large central vacuole and animal cells have many small vacuoles.
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