OVERVIEW OF THE IMMUNE SYSTEM
LYMPHATIC TISSUES AND ORGANS
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[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Detailed explanation-1: -The major levels of organization in the body, from the simplest to the most complex are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
Detailed explanation-2: -The human body has many levels of structural organization. The simplest level is the chemical level, which includes tiny building blocks such as atoms. Cells are the smallest functional units of life.
Detailed explanation-3: -Six general levels of the organization listed from smallest to largest are chemical, cellular, tissue, organ, organ system, and organism levels. Chemicals are regarded to be the smallest and lowest unit of organization in a living system, ranging from the smallest atoms to the largest macromolecules.