Topics: Respiratory and Circulatory Quiz
The system responsible for gas exchange of oxygen in and carbon dioxide out of the body.
A. Respiratory
B. Immune
C. Digestive
D. Nervous
Select your answer:

Topics:
First Aid Cell Theory & Melanoma Forensic Pathology Immunology IBD Microbial Growth Dementia Nursing Vocabulary Immune Cells Faction Branches of Microbiology Environment Circulation and Excretion Surgical Nutrition Skeletal Tissue Integumentary and Musculoskeletal Systems Homeostasis - Vision CorrectionOther quiz:
Biotechnology › ViewWhat is the main purpose of agricultural biotechnology?
A. To study the behavior of plants and animals
B. To alter living organisms to create new species
C. To alter living organisms to make or modify products
D. To alter living organisms to study their genetic makeup
Infection › View
which of the following WBC count values is within normal range
A. 16,000
B. 12,000
C. 6,500
D. 2,000