Biological Systems MCAT Practice Exam

What is the primary function of tendons in the muscular system?

1. Connect muscles to muscles

2. Store energy

3. Connect muscles to bones

4. Facilitate muscle contraction

The correct answer is: Connect muscles to bones

Tendons play a critical role in the muscular system by connecting muscles to bones. This connection is essential for movement, as tendons transfer the force generated by muscle contractions to the skeletal system, enabling bones to pivot at the joints and produce motion. The mechanical properties of tendons, which are resilient yet flexible, allow them to effectively handle the tensile forces generated during muscle contractions. The correct answer emphasizes this primary function of tendons in facilitating movement and stability in the body. Tendons are vital in enabling our limbs to move in a coordinated manner, which is fundamental to all physical activities, from walking to complex athletic movements. Their role in connecting muscle to bone makes them integral to the efficient functioning of the muscular-skeletal system.