Locomotion Flashcards
1
Q
locomotion
A
the act of movement
2
Q
Human skeleton
A
involves bones, cartilage, and joints
3
Q
bones
A
- hard and rigid tissue
- support and protect soft tissue
- attachment sites for muscles
-when forming, a joint acts as a lever -when attached, muscle contracts - RBC and WBC production w/in marrow
4
Q
cartilage
A
- fibrous and elastic tissue
- as an embryo bone = cartilage
- after birth, cartilage is gradually replaced by bone
- cartilage provides cushioning and flexibility at joints
5
Q
Joints
A
- connection between bones
- allows movement to be possible
- 4 types of joints
6
Q
hinge joint
A
back and forth [elbow and knee]
7
Q
ball and socket joint
A
circular movement [shoulder and hip]
8
Q
Pivot joint
A
1/2 circular movement [neck]
9
Q
Immovable joint
A
no movement [skull bones]
