Skeletal Mucsle Arrangement 6 Flashcards
1
Q
A single muscle cell is a …..
A
Muscle fiber
2
Q
Fibers are made of ….
A
Myofibrils
3
Q
Myofibrils are bundles of filaments that are 2 types which are …..
A
Thick and thin filaments
4
Q
What is the sarcolemma
A
Muscle cell membrane
5
Q
What is the sacroplasm
A
Muscle cell cytoplasm
6
Q
Myofibrils are striated to arrangement of……
A
Thick and thin filaments
7
Q
Thick filaments consist of……
A
Protein myosin
8
Q
Thin filaments consist of……
A
Protein actin
9
Q
The length of each myofibrils is divided into repeating units called…….
A
Sarcomeres
10
Q
A ……… is the functional unit of the skeletal system
A
Sarcomere
11
Q
- H band= ?
- A band= ?
- I band= ?
A
- myosin alone
- actin + myosin
- actin
