Skeleton & Muscular System Flashcards
1
Q
How many bones in the body
A
Adults = 206
Children = way more
2
Q
What are the functions of the skeletal system
A
To support your body
To allow movement
To protect your delicate organs
3
Q
Cartilage
A
Acts as a shock absorber
Allow limited movement
Stops bone rubbing off each other
4
Q
Joint
A
Joints are where two bones meet
5
Q
Fused joint
A
Do not allow bone stop move
Appear as if they are stitched together
E.G. skull
6
Q
Synovial joints
A
Allow bones to move
- Ball and socket joint
- Hinge joint
7
Q
Ball and socket joint
A
Allows moment in several directions
8
Q
Hinge joint
A
Allows movement in one plane only
9
Q
Ligaments
A
Elastic fibres hold the bones together
10
Q
Tendons
A
Anchor muscle to bone
11
Q
Antagonistic pair
A
Muscles can only contract (gets shorter)
The biceps contracts to pull the lower arm. The triceps contracts to pull the arm down.
