What do most cells do?
They carry out a particular function.
What is an organism consisting of one cell called?
Unicellular.
What are multicellular organisms?
Plants and animals.
What is a cell mad up of?
Tissue = organ.
What is tissue?
Tissues are a group of similar cells that work together to do certain jobs/ functions.
an example is a group of muscle cells come together to form muscle tissue.
What are organs?
Organs are a group of different tissues that work together to perform a function.
Example is the heart. The heart is an organ formed from muscle tissue, blood vessel tissue and valve tissue.