NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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a cell
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a tissue
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an organ
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an organ system
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Detailed explanation-1: -A cell is the smallest unit of a living thing. A living thing, whether made of one cell (like bacteria) or many cells (like a human), is called an organism. Thus, cells are the basic building blocks of all organisms.
Detailed explanation-2: -All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. The average adult human body has around 37.2 trillion cells.
Detailed explanation-3: -Three important building blocks are amino acids, lipids, and nucleotides. Each is used by our cells to make more complex molecules and structures necessary for life.
Detailed explanation-4: -Cells are the building blocks of all living things, and multicellular organisms are made of complex eukaryotic cells.