The basic unit of all forms of life is a(n)

Aorgan system.
Borgan.
Ctissue.
Dcell. User: Which of the following is an example of epithelial tissue?
Abone
Bskin
Cfat
Dmuscle User: The excretory system consists of which of the following organs?
Astomach, liver, pancreas
Blungs, nose, trachea
Ckidneys, ureters, urinary bladder
Dbrain, spinal cord, sense organs