BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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cell
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muscle tissue
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heart
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health
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Detailed explanation-1: -Cell is the structural and functional unit of all living organism and it is the basic building block of an organism. Hence cell itself is the smallest level of organization of body.
Detailed explanation-2: -A cell is the smallest independently functioning unit of a living organism. Even bacteria, which are extremely small, independently-living organisms, have a cellular structure.
Detailed explanation-3: -Cell: The smallest organized unit of a living organism. Organelle: A structure inside the cell that helps it survive.
Detailed explanation-4: -In biology, the smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm.