Skeleton And Muscular System Flashcards
What is the bone made of
Living cells and non living calcium compounds
What are the functions of the skeleton
Support, protection, movement
What are the arm bones composed of
Humerus, radius, ulna
What are the leg bones composed of
The femur, tibia, fibula
What is the vertebrae made of
The bones of the spine
What is a joint
Where the bones meet
What is a fused joint
When skulls are immovable
What are moveable joints
They contain synovial fluid and are called synovial joints
What are examples of synovial
The ball and socket (hip/shoulder) and hinge joints (knee/elbow)
Reduce friction
Using cartilage and synovial fluid
What does the cartilage do
It acts as a shock absorber
What do ligaments do
They join the bones together
What do tendons do
They join the muscle to the bone
What are antagonistic joints
They work opposite each other (biceps and triceps in the arm
