Muscles Flashcards
1
Q
Features of cardiac muscle cells…
A
myogenic, joined by
intercalated discs and
form branches
can contract powerfully
2
Q
Why do cardiac muscle cells form branches?
A
to allow electrical stimulation
to spread evenly
3
Q
Features of Smooth muscle contraction …
A
slowly and regularly and is
controlled by the autonomic nervous system
4
Q
Features of Skeletal muscles contraction …
A
act in antagonistic pairs against an incompressible skeleton to allow movement
5
Q
Skeletal muscle is made of ….
A
made up of fibres called myofibrils, which in
turn are made up of many repeating units, called sarcomeres
6
Q
Myofibrils are made of what?
A
two types of protein filaments, the thinner actin and the thicker myosin
