Multicellular living things have the following structure:
-Cells form tissues.
Tissues,such as muscle tissue, are made up of cells, which work together.
-Tissues form organs.
Organs, such as the heart, are made up of tissues, which work together.
-Organs form systems.
Systems, such as the digestive system, are made up of organs, which work together.
-An organism is a complete living thing.
Many systems work together in an organism. All living things are organism. All the systems in an organism work together to keep a living thing healthy.
-Cells form tissues.
Tissues,such as muscle tissue, are made up of cells, which work together.
-Tissues form organs.
Organs, such as the heart, are made up of tissues, which work together.
-Organs form systems.
Systems, such as the digestive system, are made up of organs, which work together.
-An organism is a complete living thing.
Many systems work together in an organism. All living things are organism. All the systems in an organism work together to keep a living thing healthy.
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