25.1 structure of skeletal muscle N/C Flashcards
1
Q
muscles as effectors
A
- muslces are effector organs that respond to nervous stimulation by contracting and so bring about movement
2
Q
three types of muscles
A
- cardiac muscle
- smooth muscle
- skeletal muslcle
3
Q
where is cardiac muscle found
A
- heart
4
Q
where is smooth muscle found
A
- walls of blood vessels and gut
5
Q
what do cardiac and smooth muscle have in common
A
- both are under involuntary, unconscious control
6
Q
where is skeletal muscle found and its features
A
- makes up the bulk of body muscle
- attached to bone
- acts under voluntary and conscious control
7
Q
what is a single muscle made up of
A
- many myofibrils arranged together
