Skeletal And Muscular System Flashcards
What are the functions of the skeletal system?
- To support the body
- To allow movement
- To protect
How many bones in the body?
206
What is a joint?
Where bones meet
What are muscles made of?
Protein
What is the function of muscles and joints?
To allow movement
What is a tendon ?
Where a bone meets a muscle
What is a ligament
Where a bone meets a bone
What is an antagonistic pair?
Two muscles which carry out effects in opposite ways
Name the two types of joints
Fused and freely moving
How far can a ball and socket joint rotate?
360 degrees
How far can a hinge joint rotate?
180
What is the name of the fluid in the knee
Synovial fluid
What is the name of the longest bone in the body?
Femur
What are the names of the two bones in the lower arm?
Radius and ulna
What are the names of the two bones in the lower leg?
Tibia and fibula
What is the name of the bone in the upper arm?
Humorous
What is an endoskeleton?
Have an inside skeleton
What is an exoskeleton
Have an outside skeleton
What is cartilage??
Cartilage= protects the end of the bone and reduces friction in the joint.
Name one antagonistic pair??
Bicep and tricep
What are the bones that form the backbone and how many?
They are called vertabres and there are 24
What is the name of the bone at your hip
Pelvis
Name a fused joint
Skull
