the structure of the skeletal system Flashcards
0
Q
What are the functions of the skeletal system?
A
- movement at joints
- support for muscles and vital organs
- shape for maintaining our basic body shape
- protection, such as the skull protecting the brain
- blood-cell production in the bone marrow
1
Q
What are the four categories of bones?
A
- long bones (femur)
- short bones (carpals and tarsals)
- flat or plate bones (skull)
- irregular bones (vertebrae)
2
Q
What are the categories for joints?
A
- hinge (elbow and knee)
- ball and socket (hip and shoulder)
- pivot (wrist)
- saddle (thumb)
- gliding (bones in the hand)
- condyloid (wrist).
3
Q
What are the three types of connective tissue?
A
- tendons
- cartilage
- ligaments
4
Q
What are tendons?
A
Very strong, non-elastic cords that join the muscles to the bone
5
Q
What is cartilage?
A
A tough but flexible tissue that acts as a buffer between the bones at joints
6
Q
What are ligaments?
A
Bands of fibre attached to the bone that link the joints and they help to keep the joints stable