Text In Heading2 : If we were to “break apart” the human body at the microscopic level, then the cell would constitute its most basic unit.

Here is the text in heading3: Skeleton

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Left aligned : The human body exhibits a variety of movements from walking and running to crawling, jumping and climbing.

The framework that enables us to do all these activities is the skeleton. Humans have as much as 300 bones at birth. However, the bones start to fuse with age. At adulthood, the total number of bones is reduced to 206.

Right Aligned: The average adult has somewhere between 30 – 40 trillion cells, and an estimated 242 billion new cells are produced every day. When a select group of cells with similar functions come together, it forms a tissue.

Center aligned: Cells -> Tissues -> Organs -> Organ System -> Organism

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2. some in two