Bone Shapes
How many different shapes of bone are there in the human body?
5
What is another name for the cheekbone?
zygomatic bone
Give an example of an Immovable (Fixed) bone.
skull bones, bones in the ear, hip bones
_?_ bone is a lightweight, porous type of bone tissue found on the inside of bones beneath the hard outer compact bone.
spongy bone
What do we call the thick, slippery liquid that fills the articulating space? It lubricates the joint to reduce friction and cushions against shock.
Synovial Fluid
The shape of a bone dictates its _?_
function
What is another name for the collarbone?
clavicle
Give an example of a Partly Movable bone.
Backbone (spine), ribs, sternum
Name the only movable bone in the skull.
The mandible - jawbone
A smooth, slippery layer of tissue that covers the ends of the bones. It stops the bones from rubbing together.
articular cartilage
The following definition describes what shaped bone?
Longer than they are wide: they consist of a shaft (diaphysis) with two expanded ends (epiphysis).
Definition of a long bone.
What is another name for the shoulder blade?
Scapula
Your _?_ is one of the busiest joints in your body.
your jaw
It marks the exact spot where the epiphyseal plate (also known as the growth plate) is located. In children, it is deferred to as the growth plate because this is where long bones grow in length. In an adult, it hardens into bone and becomes the _?_.
epiphyseal line
What do we call a specialized connective tissue membrane that lines the inner surface of movable joint capsules and tendon sheaths?
Synovial membrane
The following definition is of an _?_ bone:
Bones with complex, specialized shapes that do not fit into any other category.
Definition of an irregular bone.
How many pairs of floating ribs do you have?
2 pairs of floating
Name an example of a ball and socket joint.
shoulder joints, or hip joints
The human body has over _?_ joints.
300
What do we call the strong, flexible bands of tissue that connect bone to bone? They keep the joint stable and stop it from moving in the wrong direction.
Ligaments
The primary function of _?_ bones is to protect tendons from excessive wear and tear, and alter the angle of muscle pull to improve mechanical leverage.
sasemoid bones - example: patella (kneecap)
What is the name of the lower arm bone that lines up with the thumb?
the radius
What type of a joint allows bones to rotate around a single axis?
pivot joints - neck bones
Popping a joint releases _?_ trapped in the fluid.
gas bubbles
What unique category does the patella belong to?
sesamoid bones