The eye contains nerves, muscles, and blood cells. The eye is an example of a(n)

A. organ.

B. tumor.

C. organ system.

D. tissue.

E. physiological unit.


A. organ.

Biology & Microbiology

You might also like to view...

Cactus leaves are modified as trichomes

a. True b. False

Biology & Microbiology

What antibiotic kills bacteria by disrupting their cell membranes?

A) erythromycin B) rifampin C) tetracycline D) polymyxin B

Biology & Microbiology

Neisseria meningitidis is a gram negative bacterium that causes bacterial meningitis. this bacterium produces lipids or fatty acids in _______

a. smooth endoplasmic reticulum b. outer membrane c. cytoplasm d. plasma membrane e. A and D

Biology & Microbiology

Viral genomes can be

a. linear or circular. b. double-stranded or single-stranded. c. composed of RNA or DNA. d. all of the above.

Biology & Microbiology