Exam 31: Skeletons,Muscles,and Movement

The ________ contain(s)a lubricating fluid that reduces friction between two bony surfaces.

An increase in the width of an individual muscle fiber is known as ________.

Someone trying to increase muscular strength should

The three types of muscle in our bodies are smooth muscle,skeletal muscle,and ________ muscle.

If the sarcomeres of a muscle are in the arrangement depicted by the figure below,the muscle must be in a relaxed state.

Locomotion in insects differs from that of vertebrates in that the muscles of insects

Improvement of running performances has been greatly attributed to advancements in ________.

Red meat contains more of the oxygen-carrying pigment ________ as compared with white meat.

An increase in muscle strength can result from either an increase in muscle fiber number or an increase in the thickness of existing muscle fibers.

Short-distance sprinters probably have more slow muscle fibers than fast muscle fibers in their legs.

Soft-bodied animals rely on ________ for support.

The blue whale reduces drag with its streamlined shape and also its ________.

Muscle contraction is caused by

Which of the following is NOT one of the three different types of support structures that make up the human skeleton?

Some genetically inherited forms of heart failure are caused by a mutation of the gene for myosin.Specifically,what part of the heart would be affected by this mutation?

The figure below shows the change that occurs in two muscles when the arm goes from a bent to a straight position. For this to occur,

Which animal below has a skeleton that is a hydrostat?

A single muscle fiber from a flea can lift about the same weight as a single muscle fiber from a human.

Cartilage bends more easily than bone.

Your small intestine has smooth muscle in its walls.