The Skeletal And Muscular System Flashcards
What is and endoskeleton
Have inside skeleton eg humans
Exoskeleton
Outer skeleton eg lobster
Joint
Where bones meet
Fused joints
No movement between joints eg skull
Freely moving joints
Ball and socket joints eg hips
Hinge joints eg knee
Synovial fluid
A liquid that oils the joint and allows it to freely move
Cartilage
Protects the end of the bone and reduces friction in the joint
Functions of skeleton
Support and shape
Movement
Protection
Who is a radiologist
A doctor who looks at and reads x Rays
What are muscles made of
Protein
How do they move parts of the body
They contract (tighten) and relax
What are tendons
Join muscle to bone
What are ligaments
Join bone to bone
What is an antagonistic pair and an example of one
Two muscles which carry out opposite effects
Triceps and biceps
