★ First Aid Quiz
How many breaths a minute is the normal breathing rate for a healthy adult?
A. 16
B. 18
C. 20
Select your answer:

Topics:
Medicine on the Western Front Medicinal use of Microorganisims Blood types and Blood Components Oral Surgery Head and Neck Anatomy Pulmonology Stem Cells & Cell Differentiation Digestive System (Gastroenterology) Pharmacology Cellular Components Disease Outbreak and Transmission Orthopaedic Neurology Sense of Sight Orthopedic Surgeon PhysiologyOther quiz:
Biotechnology › ViewWhat are growth factors in fermentation media?
A. Essential organic compounds
B. Non-essential organic compounds
C. Both A and B
D. None of the above
Cell Review › View
This organelle makes proteins.
A. Cell membrane
B. Nucleus
C. Ribosome
D. ER