Topics: Human Body and Pathogens Quiz
What is the main function of the respiratory system?
A. To break down food
B. To fight infections
C. To take in oxygen and release carbon dioxide
D. To take in water
Select your answer:

Topics:
Cell Theory Human Circulatory System Warm up Systematic Bacteriology Eyes and Hearing Hair Evidence Endocrinology Histology HS Transplantation Immunology Skeletal System Vocabulary -ology Regulation of Heart Rate Shoulder Blood Pathology The Cell Cycle & CancerOther quiz:
Integumentary System › ViewToward the midline of the body is called
A. medial
B. lateral
C. inferior
D. deep
Nutrition and Calorific Value › View
Which of the following is an example of a healthy snack?
A. chips
B. pop tart
C. banana
D. doughnut