Exam 31: Skeletons, Muscles, and Movement

Actin filaments are anchored to

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

Your small intestine has smooth muscle in its walls.

Which of the following series correctly describes the organization of muscle tissue from smallest to largest component?

Humans are likely to continue breaking 100-meter sprint records with further training.

As a muscle contracts,

Lobsters and insects have internal skeletons.

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,

Soft-bodied animals rely on _____ for support.

Muscle fibers contain only actin, whereas sarcomeres contain both actin and myosin.

Postmenopausal women can prevent the condition of weakened bones called ____________________.

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

Which of the following is part of the appendicular skeleton?

Skeletons that form hard mineral matrices usually contain

Following some knee injuries, patients experience a swelling due to an accumulation of fluid within the knee, a condition referred to as "water on the knee." Which of the following is a likely source of this fluid?

A marathon runner would be using

Weight training initially increases the strength of a muscle by increasing the ____________________ of muscle fibers.

Cardiac muscles branch to interconnect with other cardiac cells to create a coordinated heartbeat.

Which of the following is a benefit of having an endoskeleton?

Which of the following statements about bone tissue is false?