Dani Flashcards
muscle fibres
1
Q
Functions of ligaments and tendons.
A
Ligaments attach bone to bone. Tendons attach muscles to bones.
2
Q
If a muscle on a diagram looks thick, is it contracting or relaxing? 5
A
Contracting
3
Q
Muscles that work together to move a bone are called…?
A
Antagonistic pairs.
4
Q
Name a characteristic of ligaments that makes them suitable for their function.
A
They are inelastic as they contain collagen.
5
Q
Name the muscles that bend a joint and that straighten a joint respectively.
A
Flexor and extensor muscles.
6
Q
What are myofibrils?
A
Myofibrils contain thick myosin filaments and thin actin filaments.
7
Q
Define a sarcomere.
A
A myofibril is made up of many short units called sarcomeres, they run from a z line to a z line.
8
Q
What does the M line in a sarcomenre contain?
A
Myosin filaments only
