What are the primary functional differences between tendons and ligaments, and how do their structures differ?

• A. Tendons connect muscle to bone; ligaments connect bone to bone; tendons are dense regular connective tissue; ligaments have more varied fiber orientation and sometimes more elastin
• B. Tendons connect bone to bone; ligaments connect muscle to bone; tendons are elastic; ligaments are rigid
• C. Tendons are store fat; ligaments store calcium; both have identical fiber orientation
• D. Tendons connect muscle to bone; ligaments connect bone to bone; both are dense irregular connective tissue

Answer: (A)