★ ICU Quiz
How much oxygen is inhaled from atmospheric air by normal breathing?
A. 10%
B. 17%
C. 21%
D. 70%
Select your answer:
Topics:
Public Health and Genetic Disease Vitamins Respiratory and Circulatory Tutor Oral Biology Life Processes Population Genetics Teeth & Microbes Cardiovascular System Branches of Microbiology Muscle Tissues Excretion Joints in our Body Conjunctivita Inheritance Digestive System and NutritionOther quiz:
The Energy Nutrients › ViewHow many calories per gram does protein contain?
A. 4
B. 6
C. 8
D. 9
The Skeletal System › View
What type of bone is large, strong, and flat?
A. Long bones
B. Short bones
C. Flat bones
D. Irregular bones