Select your answer:

Topics:
The nervous system & brain Circulation of Blood Antibiotic in Orthopaedics Cell Structure and Function Lung & Breathing Wellness & Influences Characteristics of Life The Digestive System Muscles and Movements Branches of Microbiology Lungs Common Respiratoty Diseases Parts of the Body Movement Tracheostomy CareOther quiz:
Basic Structure of the Human Body › ViewSmooth endoplasmic reticulum is present in all human cells.
A. TRUE
B. FALSE
The Human Eye › View
What is the job of the retina?
A. Carrying signals to your brain
B. Allowing light into the eye
C. Focusing and defocusing
D. Converting light into electronic signals