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Study
Natural: Unit 2
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Can you name the three vital functions?
Nutrition, Interaction, Reproduction
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What is tissue?
A set of one type of cells which perform the same function.
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What is a multicellular cell?
It is composed of two or more cells. The cells are arranged. They perform all the vital functions.
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Can you name the three types of cells?
Muscle, Epithelial, Nerve
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What is a unicellular cell?
It is composed of a single cell, the cell performs all the functions
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Can you describe the characteristics of the epithelial cell?
Flat cells, they have skin, their job is to insulate the body and protect it.
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What is the smallest unit of life?
A cell
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Can you describe the characteristics of the nerve cells?
They are star-shaped with long extensions, they transmit information all around the body.
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What is a system?
Several organs that perform a function together, such as the digestive system.
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What is an organ?
A set of tissues that are grouped together and perform the same function
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Can you describe the characteristics of the muscle cell?
Elongated, they expand and extract (move)
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An organism can be both unicelluar and ...
multicellular
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