ส.ค. 2025 · GM Kids Series 576หนังสือเล่มที่ 138 · GOS Education Inc.
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All animals, except for protozoans, are called "metazoans."
Metazoans are multicellular life forms.
Humans are also metazoans.
Metazoans are life forms composed of many cells.
These cells work together and live together.
The human body has trillions of cells.
Each cell has a specific role.
All animals, except for protozoans, are called "metazoans."
Metazoans are multicellular life forms.
Humans are also metazoans.
Metazoans are life forms composed of many cells.
These cells work together and live together.
The human body has trillions of cells.
Each cell has a specific role.