Functions

Question 1

Contraction of skeletal muscles is responsible for the overall _____

Answer 1

Movement of the body

Question 2

Skeletal muscles constantly maintain tone, which keeps us
sitting or standing erect.

Answer 2

Maintenance of posture

Question 3

Contraction of the skeletal muscles of the thoracic cage, as well as the
diaphragm, helps us breathe.

Answer 3

Respiration.

Question 4

When skeletal muscles contract, heat is given off as a by-
product. This released heat is critical to the maintenance of body temperature.

Answer 4

Production of body heat

Question 5

Skeletal muscles are involved in all aspects of communication,
including speaking, writing, typing, gesturing, and facial expressions.

Answer 5

Communication.

Question 6

The contraction of smooth muscle within the
walls of internal organs and vessels causes those structures to constrict. This
constriction can help propel and mix food and water in the digestive tract, propel
secretions from organs, and regulate blood flow through vessels.

Answer 6

Constriction of organs and vessels.

Question 7

The contraction of cardiac muscle causes the heart to
beat, propelling blood to all parts of the body.

Answer 7

Contraction of the heart