★ Human Eye Quiz
What type of lens is used in the shown instrument?
A. concave lens
B. convex lens
C. reflection lens
D. reduction lens
Select your answer:

Topics:
Speed, Flexibility part of Components of Physical Fitness Infectious Diseases & the WHO Heart and Blood Vessels Blood and Hematology Circulatory System Digestive System (Gastroenterology) Biocomposite Cell Cycle; Cancer Oronasal Suctioning Renal & Neural Reproductive System Vocabulary Tissues of The Body Urinary Forensic Odontology Virus and BacteriaOther quiz:
Musculoskeletal/Endocrine Systems › ViewBreaking of a bone on one side only, more common in children
A. Compound fracture
B. Greenstick fracture
C. Spiral fracture
D. Closed fracture
Cellular Respiration › View
How many carbon atoms are fed into the citric acid cycle as a result of the oxidation of one molecule of pyruvate?
A. eight carbon atoms
B. six carbon atoms
C. four carbon atoms
D. two carbon atoms