Chapter 9- Muscular System Flashcards
1
Q
SKELETAL
A
Attached to bones
Voluntary(conscious control)
2
Q
CARDIAC
A
Wall of heart
Involuntary(not conscious)
Pumping action of heart
3
Q
SMOOTH
A
Internal organs ( digestive tract) Involuntary
4
Q
SKELETAL MUSCLES
A
Attach to bones
Conscious control
Skeletal muscle is an organ
5
Q
SKELETAL MUSCLE composed of
A
Skeletal muscle tissue
Nervous tissue
Blood(O2, nutrients)
Connective tissues(support)
6
Q
Tissue coverings
A
Fascia-sheet of CT; enclose muscles
Tendons- cord of CT; muscle(bone)
Aponeuroses- sheet of CT; muscle(bone)
7
Q
EPIMYSIUM
A
Surrounds whole muscle
8
Q
Perimysium
A
Surrounds fascicles
9
Q
Endomysium
A
Surrounds muscle fibers
10
Q
Muscle fiber =
A
Muscle cell
11
Q
Multinucleated=
A
Manynuclei
12
Q
Sarcolemma=
A
Cell membrane
13
Q
Sarcoplasma=
A
Cytoplasm
14
Q
Myofibrils=
A
Threadlike filaments
Thin actin
Thick myosin
15
Q
Sarcomeres=
A
Units of muscle
