4. Tissues & Histology

The skeletal muscle complex known as the triad consists of which of the following structures?

Which of the following best explains why improving muscular strength and endurance can help slow bone density loss?

When is a muscle considered overactive?

The region of the sarcomere containing both thick and thin filaments is the:

All muscle types will respond to an electrical stimulus because all muscle cells are _________.

Which type of skeletal muscle fiber is most important for an athlete running a 40 meter sprint?

Which of the following best describes slow-twitch muscle fibers?

What do isometric exercises primarily involve?

T, or transverse, tubules in skeletal muscle function to:

In a fully contracted sarcomere, the H zone:

What are the three main components of a neuromuscular junction?

Which type of muscle tissue is primarily responsible for causing vasoconstriction in blood vessels?

Which of the following muscle tissue components is predominantly made up of myosin?

Which of the following statements about myosin is correct?

Myofibrils are __________.