Lesson 10: Musculoskeletal System (Textbook p. 301)
Medical language allows for clear, concise, and consistent communication and requires fewer words. Osteoarthritis – one word in medical language: inflammation of the bone and joint – six words in English. Same meaning.

Muscles, bones, and associated structures provide a flexible and protective framework for the body.
In The Lesson
In Lesson 10, you will learn about:
- bones
- muscles
- joints
- cartilage
- bursae
Bones and Muscles
- There are 206 bones in the human body: types are long, short, flat, and irregular.
- There are 600 muscles in the human body: skeletal, smooth, and cardiac.