Question

as the human body grows and develops, cells become specialized to do different jobs. these different types of cells are the building blocks of the organ systems that keep us alive. complete the paragraph. humans start out as dropdown. as humans develop, they dropdown cells. cells specialize to perform dropdown jobs in the body.

Explanation:

• Humans start as a single cell (zygote).
• Then they have many cells through cell division.
• Cells specialize for different functions.

Answer:

Humans start out as a single cell. As humans develop, they have many cells. Cells specialize to perform different jobs in the body.