Exam 21: How Animals Move

Which list represents the hierarchy of muscle structure from the largest unit to the smallest?

Compared to white muscle fibers, red muscle fibers ____.

The bones of synovial joints are held in place by ____.

Most skeletal muscles attach to ____.

M arathon runners tend to have a high percentage of ____ in their leg muscles.

A tendon is an extension of ____ tissue.

The ____ protects/protect the heart and lungs.

The ____ is most like an endoskeleton.

Muscles are connected to bones by ____.

The ____ attaches to the lower leg bones, the tibia and fibula, at the knee.

When a muscle fiber is relaxed, myosin cannot bind to actin because ____.

The pectoral girdle and the pelvic girdle differ in that ____.

Intervertebral disks composed of ____ separate adjacent vertebrae in the human vertebral column.

Human cases of complete myostatin deficiency ____.

A(n) ____ skeleton is an internal fluid filled chamber against which muscles exert force.

The outermost, weight-bearing part of limb bones is made up of ____.

The ends of a sarcomere are defined by ____.

In a muscle contraction, the sarcomere shortens when ____.

Arthropods have ____.