In order for the parts in a system to work correctly, the parts must be arranged or built upon in a particular order. what is the correct order of the parts of a human body system from simplest to most complex?

Cell --> Tissue --> Organ --> Organ system --> Whole Organism

Explanation:

Cell is the simplest, basic and functional unit of life.

Tissue is a collection of similar cells e.g brain tissue

Organ is a collection of similar tissues e.g Liver, Lungs

Organ system refers to a group of closely related organs performing the same function. E.g Digestive system with mouth, salivary gland, small and large intestine etc

Whole Organism refers to a complete living being with well-coordinated organ system. E.g Man

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