Summary Chapter 7 Muscular System I Seeley's Essentials of Anatomy and Physiology, 9th Edition I Johmel De Ocampo
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Course
Human Anatomy and Physiology
Institution
University Of Santo Tomas
Book
Seeley\'s Essentials of Anatomy and Physiology
Chapter key points:
Muscle fibers are organized into fasciculi, and fasciculi are organized into muscles by associated connective tissue.
Each skeletal muscle fiber is a single cell containing numerous myofibrils.
Myofibrils are composed of actin and myosin myofilaments.
Sarcomeres are ...
Chapter 9 Senses I Seeley's Essentials of Anatomy and Physiology, 9th Edition I Johmel De Ocampo
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Human Anatomy and Physiology
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Chap
MUSC
SYS
SEELEY'S ESSENTIALS
PHYSIOLOGY,
, MUSCULAR
The muscular system is resp
the huma
FUNCTIONS OF
MUSCULAR SYSTEM
1. Movement of the body. Contraction of
skeletal muscles is responsible for the
overall movements of the body, such as
walking, running, and manipulating
objects with the hands.
2. Maintenance of posture. Skeletal muscles
constantly maintain tone, which keeps us
sitting or standing erect.
3. Respiration. Muscles of the thorax carry
out the movements necessary for
,MUSCULAR
STRUCTURE O
, MUSCULAR
CHARACTERISTICS O
SKELETAL MUSCLE
Skeletal muscle, with its associated
approximately 40% of body weight. S
most of the muscles are attached to
striated muscle because transverse b
muscle under the microscope.
FOUR MAJOR
CHARACT
CONTRACTILITY
is the ability of skeletal muscle to sh
, MUSCULAR
STRUCTURE OF SK
, MUSCULAR
EXCITABILITY OF
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