★ Breathing System Quiz
What is the percentage of nitrogen in inhaled air?
A. 78%
B. 21%
C. 0.04%
D. Variable
Select your answer:
Topics:
Muscular System Movements 5 Major Food Groups Biochemistry of Diabetes Medical Terminology Gastroinestinal Gastroenterology Homeostasis - Vision Correction Healthcare Careers Illnesses and Diseases in Caregiving Homeostasis Abnormal Psychology; Assessment and Diagnosis Year 7 Nutrition Radiography Vocabulary Blood/Lymphatic/Immune Surgical Nutrition Immunity & CancerOther quiz:
Genetics › ViewThe respiratory system contains the
A. heart and blood vessels
B. stomach, esophagus, small and large intestines
C. bladder and kidneys
D. lungs, bronchi, and trachea
Urinary System › View
tube that conducts urine from the kidney to the blader
A. bladder
B. ureter
C. kidney
D. Renal artery
E. urethra