Documents Muscular System. What’s this? Canker sore! Shallow ulcers in the mouth What causes them? Stress or...

PowerPoint Presentation Muscular System Whatâs this? Whatâs this? Canker sore! Shallow ulcers in the mouth What causes them? Stress or tissue trauma Citrus can trigger…

Documents Muscular System

PowerPoint Presentation Muscular System Whatâs this? Whatâs this? Canker sore! Shallow ulcers in the mouth What causes them? Stress or tissue trauma Citrus can trigger…