Which type of tissue is made of cells that contract and relax?
a. nervous tissue
b. epithelial tissue
c. muscle tissue
d. connective tissue user: a group of similar cells that perform a specific function is a(n)
a. organ system.
b. organ.
c. tissue.
d. organism. user: from simplest to most complex the four levels of organization of the human body are
a. tissues, cells, organs and organ systems.
b. cells, tissues, organs and organ systems.