The hard inner framework of bones inside an animal that provides shape, support, and protection
Skeleton
100
How does the skeleton provide protection for the human body?
Protects vital inner organs--rib cage protects the heart, skull protects the brain etc.
100
A place where two bones meet, allowing limited movement in two directions. Example: where the fingers meet the palm
gliding joint
100
Muscles always ________; they never _______.
pull; pull
100
How many bones are there in the human body?
206
200
A thumb positioned opposite the other fingers is called an _________ thumb
Opposable thumb
200
How does the skeleton allow for movement?
Without bones, muscles would have nothing to move. They're attached and when they contract, the skeleton moves.
200
A place where two bones meet, allowing movement in one direction. Example: the elbow
hinge joint
200
connects bone to bone and serves as a guide for muscles
ligaments
200
Where is the smallest bone if the human body?
The inner ear
300
A place where two bones come together
Joint
300
How does the skeleton provide support to the human body?
The hard rigid bones give us our shape. Without bones we would have no structure. We would just be a pile of organs and skin.
300
A place where the rounded end of one bone fits into the cup of another bone. These allow movement in two directions, in addition to rotation. Example: the hip
ball-and-socket joint
300
This special type of tissue connects muscle to bone
tendon
300
Name the two muscles in your upper arm.
Biceps and triceps
400
To become smaller or shorter in length
Contract
400
The smooth, flexible material that connects some bones and provides shape for some body parts
Cartilage
400
Name two things that would be very difficult without an opposable thumb.
buttons, typing, writing with a pencil, drinking out of a cup, etc.
400
What happens if you don't exercise your muscles?
They get weaker
400
One type of muscles is under our control. The other type is not. What are the two types?
Voluntary
Involuntary
500
Ropelike tissue that connects muscle to bone
Tendon
500
Where is there cartilage in your body?
Nose, ear, between your joints
Nose, ear, between your joints
500
Identify the parts of the models we built last week.
Paper clips=
Sticks=
Rubber things=
Rubber bands=
Paper clips-tendons
sticks-bones
rubber things-joints
rubber bands-muscles