Test page 5 Flashcards
1
Q
the control protein for tropomyosin. Troponin binds to tropomyosin. When it is in place, muscle contractions still does not occur. When calcium is added and bonds to troponin, tropomyosin rolls off of the actin, myosin can bond to actin, and muscle contration can occur.
A
Troponin
2
Q
arm,hand,leg,foot,pectoral gridal
A
appendicular skeleton
3
Q
Skull, vertabral column, sternum, ribs
A
Axial skeleton
4
Q
a bone cell
A
Osteocyte
5
Q
A unit of contraction in a muscle
A
Sarcomere
6
Q
180 degrees of motion EXAMPLE Knee or elbow
A
Hinge joint
7
Q
360 degrees of motion EXAMPLE hip shoulder joints
A
Ball and socket joints
8
Q
looks spongy. Contains marrow and produces blood cells.
A
Spondy bone
9
Q
Dense and strong. found in the shaft of the middle of a bone
A
Compact bone
