★ Respiratory and Circulatory Quiz
The gas that we exhale.
A. carbon dioxide
B. carbon monoxide
C. oxygen
D. water
Select your answer:

Topics:
Infection Control Microbial Growth & Nutrition Diseases of The Body Systems Enzymes & Metabolism HL Major Internal Organs of the Body Histology HS DNA and RNA Structures Nutrition and Calorific Value Balanced Diet How the Eyes work Muscular The Human Body Skin Structure, Growth & Nutrition Skeletal System Vocabulary GermsOther quiz:
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A. Cardiologist
B. Dentist
C. Gastroenterologist
D. Orthopedist
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Which body cavity contains the stomach, liver, and intestines?
A. Thoracic cavity
B. Cranial cavity
C. Abdominal cavity
D. Pelvic cavity