Topics: Human Anatomy Quiz
You carry, on average, about _____ pounds of bacteria around in your body.
A. 0.25
B. 0.5
C. 1
D. 1.5
Preview next quiz:
Human lungs contain approximately _______ miles of airways and over 300 million alveoli
A. 500
B. 1000
C. 1500
D. 2000