Exam 32: Structural Support and Movement

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -The difference in air velocity across the two surfaces creates lift, an upward force that opposes gravity.

Most of the ATP used by a muscle during intense activity is produced by ____.

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -Streamlined body reduces the effects of friction.

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -Reduce friction by secreting a lubricating mucus or adjust body so that only some portion touches the ground at one time.

After sarcomere contraction, ____ breaks the cross bridge between myosin and actin.

The kneecap is the ____.

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -​Buoyancy to minimize effects of gravity.

​For an animal to move in one direction, it must exert a force in ____ direction.

To move, an animal must expend ____ to overcome the effects of ____ and friction.

Where is calcium stored in muscle fiber cells?

​A strap of dense connective tissue that connects a skeletal muscle to bone is a(n) ____, while one that connects bone to bone at a joint is a(n) ____.

A motor neuron and all the muscles under its control are collectively known as a(n) ____ unit.

The bright red color of red muscle fibers comes from the presence of ____, exemplifying their role in producing ATP mainly by aerobic respiration.

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -Compression of elastic material is a form of stored energy that is released upon movement.

A bone contained in the human pelvic girdle is the ____.

Which organisms have a hydrostatic skeleton with a soft body wall?

What is found in the central cavity of an adult long bone?

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -​Reduce friction by holding scales flat against the skin.

The embryonic skeleton of all vertebrates is made of ____.

Which animals have a cartilaginous skeleton as an adult?