cells
n. countable A2 Elementary US //ˈsɛɫz// UK //sˈɛlz// cells
n. the tiny building blocks that make up all living things. Your body has billions of them, and they work together to keep you alive.
n. the smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.
The human body contains trillions of individual cells.
Scientists use powerful microscopes to study how plant cells turn sunlight into energy through photosynthesis.
Stem cells are unique because they possess the remarkable potential to develop into many different cell types in the body during early life and growth.
Usage
Often used with modifiers to specify function, such as 'blood cells', 'nerve cells', or 'skin cells'.