Topics: Cells & Body Systems Quiz
The system used to take in oxygen to the lungs
A. respiration
B. respiratory system
C. reproductive system
D. circulatory system
Select your answer:

Topics:
Cells and Organ Systems Anatomy & Physiology: Respiratory Biochemistry of Diabetes All About Blood Herd Immunity Ears Pediatric Cardiology Cardiovascular System Anatomy Genes and Cells Mouth - Stomach Skin Structure and Growth Regulating the Cell Cycle Nail Diseases and Disorders Ankle, Foot, & LL - Injuries Diagnostic ToolsOther quiz:
Fitness › Viewthe food that you usually eat
A. Diseases
B. Weightlifting
C. Fitness
D. Diet
Tib/Fib, Knee and Femur › View
In what direction should that angle be directed?
A. Cephalic
B. Caudal