FUNCTIONAL ANATOMY 2025.TT Flashcards
What are the three main functions of the musculoskeletal system?
Movement, stability, maintaining posture
What are the two main components of the musculoskeletal system?
Muscular system and skeletal system
What is the function of postural muscles?
Maintain posture
How many types of muscle tissue are in the human body?
Three
Which type of muscle is under voluntary control?
Skeletal muscle
Which muscle type is found in blood vessels and the digestive system?
Smooth muscle
Which muscle type forms the myocardium?
Cardiac muscle
Which muscle type does not fatigue?
Cardiac muscle
What is the function of tendons?
Attach muscle to bone
What is the function of ligaments?
Connect bones and stabilize joints
Which type of joint allows the most movement?
Synovial joint
Which type of joint is immovable?
Fibrous joint
What are the three types of joints based on movement?
Synarthrosis, amphiarthrosis, diarthrosis
What is the main function of bones?
Support, protection, movement, mineral storage, blood cell production
How many bones are in the adult human skeleton?
206
What are the two main divisions of the skeleton?
Axial and appendicular skeleton
What is the structural unit of compact bone?
Osteon
Which type of bone is light and porous?
Spongy bone
Which cells are responsible for bone formation?
Osteoblasts
Which cells resorb bone?
Osteoclasts
What is the main mineral in bone?
Calcium phosphate
What is the periosteum?
A fibrous membrane covering bones
What is cartilage made of?
Chondrocytes and extracellular matrix
Which type of cartilage is most abundant?
Hyaline cartilage
Which type of cartilage is found in intervertebral discs?
Fibrocartilage
What is the function of synovial fluid?
Reduce friction in joints
Where is synovial fluid found?
Synovial joints
What is the role of collagen in bones?
Provides strength and flexibility
Which vitamin is essential for calcium absorption?
Vitamin D
What is osteoporosis?
A condition where bones become weak and brittle
