★ Breathing System Quiz
What is the percentage of water vapour in exhaled air?
A. 78%
B. 14%
C. 5%
D. Variable
Select your answer:

Topics:
Breath Human Eye Eye Histology Regulation of Heart Rate Diseases of Digestive System Acute Responses to Exercise Medical Vocabulary Vitamins Lifetime Wellness Muscle System Bacterial Growth Cell Theory & Melanoma Fluid Therapy Renal, Cancer, HIV Terms for The Skeletal SystemOther quiz:
Musculoskeletal System › ViewInvoluntary muscle only found in the heart that is resistant to fatigue (does not get tired).
A. Cardiac
B. Smooth
C. Skeletal
Homeostasis and Disease › View
Poor diet, too much sun exposure and unprotected sex are considered Lifestyle risk factors.
A. TRUE
B. FALSE