★ Hematology Quiz
What is the main function of the circulatory system?
A. Digestion
B. Circulation of blood
C. Respiration
D. Excretion
Select your answer:

Topics:
DNA and Genetic Manipulation Human Eye and Colourful World Environment 3M Micropara ICU Nutrition and Biochemistry Vocabulary Purpose and Function of the Skeletal System Biotechnology and Genetic Engineering Tracheostomy Care Pathology Introduction Cell Injury Surgical Vocabulary Cardio and Resp Disorders Ortho Infectious Disease Heterotrophic Nutrition Uses of Radioactive RadiationOther quiz:
The Cell › ViewIt is an isolated region where the DNA resides in eukaryotic cells. It is bordered by a double membrane referred to as the nuclear envelope. What is the name of this structure?
A. cytoplasm
B. nucleus
C. cell membrane
D. mitochondria
Physical › View
If you are physically active on most days, which of the following would you not expect as a benefit of your activity?
A. better sleep
B. lowered self-esteem
C. mood enhancement
D. stress relief