★ Vision & Hearing Quiz
At least how far away should you sit from a computer?
A. 1/2 foot
B. 1 foot
C. 2 feet
D. 6 feet
Select your answer:
Topics:
What is Psychology? Factors Affecting Health Biotechnology Bacteria & Viruses Mouth - Stomach Nail Diseases and Disorders General Anatomy Parkinson Disease Composition Of Human Blood Protein Synthesis Enzymes Nervous System: Diseases/Problems/Illnesses Major Organs Hormones Blood Pressure and Blood Vessels Carbohydrate MetabolismOther quiz:
The Musculoskeletal and Integumentary Systems › Viewmoves hip and thigh
A. stapedius
B. sartorius
C. gluteus maximus
Endocrine System and Nervous System › View
How do hormones get to their target cells?
A. nerve impulses
B. floating in the blood stream
C. electric and chemical signals
D. respiration