Act as a barrier to invading cells and viruses. muscle cells connective tissue epithelial cells none of the above

Epithelial cells

Explanation:

Epithelial cells act as a barrier to invading cells and viruses.

It lines the tissues of blood vessels in order to keep blood flowing and keeping you healthy.

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.

answer; synapse;