Anatomy & Physiology the unity of form and function chapter 10 muscles (Bio 137 ECTC, McFalls-Smith, Saladin 9th edition) Questions And Answers A+
converting the chemical energy of ATP into the mechanical energy of motion - ANSWER-main purpose of
muscle
- movement
- stability
- control of openings and passageways
- heat production
- glycemic control - ANSWER-functions of muscle
move from place to place, __________ of body parts and body contents in breathing, circulation,
feeding and digestion, defecation, urination, and childbirth. role in communication- speech, writing, and
nonverbal communications - ANSWER-movement
maintain posture by preventing unwanted movements; steady joints - ANSWER-stability
resist the pull of gravity and prevent us from falling or slumping over - ANSWER-antigravity muscles
sphincters- internal muscular rings that control the movement of food, bile, blood, and other materials -
ANSWER-control of openings and passageways
as much as 85% of our body heat - ANSWER-heat production by skeletal muscles
the study of the skeletal muscular system - ANSWER-myology
connective tissues of a muscle - ANSWER-endomysium, perimysium, epimysium, fascia
thin sleeve of loose connective tissue surround each muscle fiber, allows room for capillaries and nerve
fibers to reach each muscle fiber - ANSWER-endomysium
slightly thicker layer of connective tissue (than endomysium); carry larger nerves and blood vessels, and
stretch receptors; contain fasicles - ANSWER-perimysium
muscle length receptors located within muscle fibers that trigger muscle contractions in response to
rapid, excessive muscle lengthening. located in perimysium - ANSWER-stretch receptors (muscle
spindles)