Question

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sc2201_mvoa biology semester a_2492862 introduction to life the heart is an example of which level of organization within an organism? tissue organ cell organ system

Explanation:

In biological organization, cells form tissues, tissues form organs, and organs form organ systems. The heart is made of different tissues (like muscle tissue, connective tissue) working together to perform a function, so it is an organ. A tissue is a group of similar cells, a cell is the basic unit, and an organ system is a group of organs (e.g., circulatory system with heart, blood vessels). So the heart is an organ.

Answer:

organ