Skeleton And Muscular System Flashcards
1
Q
How many bones in the body
A
Adult= 206 Children= 206+
2
Q
Cartilage
A
Act as a shock absorber
Allow limited movement
Stop bones rubbing off each other
3
Q
Joint
A
Where 2 bones meet
4
Q
Fused joint
A
Do not allow bones to move
E.g. Skull
5
Q
Synovial joints
A
Allow bones to move
- Ball and socket joint.
- Hinge socket.
6
Q
Ball and socket joint
A
Allows movement in several directions- e.g. Hip and shoulder.
7
Q
Hinge joint
A
Allows movement in one plane only- knee, elbow, jaw knuckles.
8
Q
Synovial fluid
A
Acts as a shock absorber allowing bones to move.
9
Q
Tendons
A
Anchor muscle to bone.
10
Q
Functions of the Skeleton
A
- to support the body
- to allow movement
- to Protect delicate organs
11
Q
Antagonistic pairs
A
The biceps contracts to pull up the lower arm. The triceps contracts to pull the arm down.
