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Select your answer:
A  B  C  D  E 

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Topics:

Parts of the Brain Respiration Gaseous Exchange in Humans Health and Hygiene The Teeth Body Fluids and Blood Cells Joints in our Body Health Issues and Concerns The Digestive System Cell Physical fitness , Wellness and Lifestyle Health and Social Care Arteries Cell - Fundamental Unit of Life Forensic Pathology

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Other quiz: Respiratory System

Which body structure protects the lungs from outside harm?

A. Cartilage

B. Tiny Sacs

C. The Rib Cage

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