The Muscular System - Anatomy Coloring Sheet

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LWBK244-4102G-C04_48-69.qxd 14/12/2008 02:07 PM Page 48
C H A P T E R 4
The Muscular System
Coloring Exercise 4-1
Muscle Tissue and Skeletal Muscle
Anatomy
Muscle Tissue
COLORING INSTRUCTIONS
• Smooth muscle
A
: walls of hollow organs, blood vessels, and respiratory
Color each structure and its
passages
name at the same time, us-
ing the same color. On the
• Cardiac muscle
B
: wall of heart (see Coloring Exercise 8-6)
top figure:
• Skeletal muscle
C
: makes up muscles under voluntary control; moves
1. Color the nuclei black in
bones and face, compresses abdominal organs
each figure.
Several muscle cell precursors fuse to form a single muscle cell, containing
2. Color the muscle cells
multiple nuclei
for each muscle type (
A
• Muscle cells are also called fibers
to
).
C
Skeletal Muscle: Attachments to Bones
COLORING INSTRUCTIONS
On the middle figure:
• Tendons
D
attach skeletal muscle body
E
to bones
1. Color the bones (
,
),
G
I
F
G
• Origin
: attachment to less moveable bone (e.g., scapula
)
tendons
, and the mus-
D
H
I
• Insertion
: attachment to more moveable bone (e.g., radius
)
cle body
. Use light col-
E
ors for the bones (
,
)
G
I
and the muscle body.
Anatomy of a Skeletal Muscle
2. Using two dark colors,
• Muscle enveloped by a membrane, the epimysium
J
draw circles at the
origins
and insertion
The tendon
D
is a continuation of the epimysium
F
of the muscle.
H
• Skeletal muscle body divided into fascicles
K
Each fascicle surrounded by membrane; the perimysium
L
COLORING INSTRUCTIONS
Blood vessels
M
travel between fascicles
On the bottom figure:
• Each fascicle made up of individual muscle cells
C
1. Color the bone
,
I
Each muscle cell surrounded by endomysium
N
membrane
tendon
, and
D
• Remember, you already colored a longitudinal view of skeletal muscle fibers
epimysium
.
J
in the top figure
2. Color the perimysium
L
around the extruded fas-
cicle and in the cross
section.
3. Color the fascicle
that
K
is labeled in the cross
section, and one
additional fascicle.
4. Color the endomysium
around the extruded
N
muscle fiber. Outline
some muscle fibers in
the cross-section with
the same color, because
the endomysium
surrounds all fibers.
5. Color the ends of some
muscle fibers
and the
C
blood vessels
.
M
48

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