Medical Quiz

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:

Urinary Limitation of Senses Herd Immunity Respiratory System Defence against Infectious Diseases Health and Diseases Vocabulary - Health Cell and Muscle Histology Differentiation and Division of Human Cells Oronasal Suctioning Radiography Immunology and Serology Communicable Diseases and Immune Response (OCR) Macromolecules & Nutrients Microbial Growth

Other quiz:

Human Digestive System › View

The enzyme that acts on carbohydrates

A. pepsin

B. trypsin

C. lipase

D. amylase


Respiratory System › View

The cartilage that closes the larynx to prevent food from entering the trachea is called

A. Vestibular fold

B. Epiglottis

C. Thyroid cartilage

D. Adam’s apple