Muscles& bones
Muscles are usually found in pairs called
Antagonistic pairs
Name the structure which attaches muscle to bone
Tendons
Name the type of joint that rotates on an axis
Pivot joint
How many bones make up the human skeleton
206 bones
When raising the arm, what occurs to the biceps and triceps muscles?
Biceps contracts while the Triceps relax
Name the structure which attaches bone to bone
Ligaments
Name the type of joint that is found in your elbow.
Hinge joint
Name the part of the skeletal system that protects the brain
Skull(cranium)
Drugs used to increase muscle strength are called :
Anabolic steroids
Name the structure which protects the end of bones and prevents them from rubbing against each other
Cartilage
Name the type of joint that allows forward and backward motion.
Hinge joint
Name the small bones which makes up the backbone
vertebrae
Bones are usually lightweight because :
They have large spaces in them
Name the part of the body in which red blood cells are made
Bone marrow
Name the type of join that is found in your shoulder
Ball and socket joint
Apart from giving the body shape & support name 2 other functions of the skeletal system
Make blood cells, movement, protect organs
The action of muscles is controlled by:
impulses from the nervous system
Joints are lubricated by a fluid called:
Synovial fluid
Name the structure which allows you to move
Joint
Which unit is used for measuring the force ?
Newtons