The plural of organ is organs.
The plural form of virus is viruses. It is not "viri".
The English plural form of "bacterium" is "bacteria."
The plural form of glomerulus is glomeruli.
The plural form of "biology" is "biologies."
Epiphysis is singular. The plural form is epiphyses.
The epiphysis is the end of the long bone whereas the diaphysis is the shaft or body.
The epiphysis closest to the body is called the proximal epiphysis.
The epiphysis is a normal part of the human bone anatomy; no treatment is needed for an epiphysis.
The epiphysis is the rounded end of a long bone.
The plural form of "do" is "do" and the plural form of "don't" is "don't." These words do not change in the plural form when used in a sentence.
Epiphysis
The presence of the epiphysis indicates that the human is still growing.
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "was" is "were."
The plural form of "I" is "we."