AP BIOLOGY

Detailed explanation-1: -Cells are the basic building blocks of living things. The human body is composed of trillions of cells, all with their own specialised function.

Detailed explanation-2: -All living beings are made up of cells. Some of them are made up of only one cell and others have many cells. The average adult human body has around 37.2 trillion cells.

Detailed explanation-3: -Cells are referred to as the structural and functional unit of life since all living species are made up of cells, and cells execute all tasks that occur within the bodies of animals. The unicellular organism is composed of a single cell that accomplishes all of the biological activities required for existence.