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37 Cards in this Set

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How many bones form the framework of a skeleton?
206
For how much of an adult male's weight does the skeleton account for?
one seventh
How many bones in the head, face, neck and trunk?
80
What are the 80 bones of the head, face, neck and trunk called?
Axial skeleton
How many bones, comprising the limbs or appendages, make up the appendicular skeleton?
32 Bones in each adult upper limb
31 Bones in each lower limb.
These bones are connected to a tendon rather than to another bone; everybody has at least 2?
Sesamoid bones
Where will you find sesamoid bones?
The patella (knee cap) of each leg

Some people have them in other sites such as the foot or over the first joint in the thumb.
(If present, these are extra bones and are always small)
The largest bone in the body?
Femur
The smallest bones in the body?
Ossicles in the middle ear.
Where will you find the ossicles?
Middle ear.
What are the functions of bones in the body?
They are the support system of the body for soft tissues

and

Anchorage points for muscles.
To allow movement of the body, individual bones must be able to move in relationship to one another. How does it happen?
It happens at joints, where the bones articulate with each other, the surfaces that touch being termed articular surfaces.
What are the surfaces at the joints called that touch where the bones articulate with each other?
Articular surfaces
Groups of bones form protective cages:

Explain.
Skull protects the brain.

Lungs and heart are enclosed by the bones of the vertebral column (spine), ribs and sternum (breastbone)
How many pairs of ribs?
12
What are the functions of bones in the body?
They are the support system of the body for soft tissues

and

Anchorage points for muscles.
To allow movement of the body, individual bones must be able to move in relationship to one another. How does it happen?
It happens at joints, where the bones articulate with each other, the surfaces that touch being termed articular surfaces.
What are the surfaces at the joints called that touch where the bones articulate with each other?
Articular surfaces
Groups of bones form protective cages:

Explain.
Skull protects the brain.

Lungs and heart are enclosed by the bones of the vertebral column (spine), ribs and sternum (breastbone)

In the pelvis the bone arrangement protects vital organs of the lower abdomen.
How many pairs of ribs?
12
What are the functions of bones in the body?
They are the support system of the body for soft tissues

and

Anchorage points for muscles.
To allow movement of the body, individual bones must be able to move in relationship to one another. How does it happen?
It happens at joints, where the bones articulate with each other, the surfaces that touch being termed articular surfaces.
What are the surfaces at the joints called that touch where the bones articulate with each other?
Articular surfaces
Groups of bones form protective cages:

Explain.
Skull protects the brain.

Lungs and heart are enclosed by the bones of the vertebral column (spine), ribs and sternum (breastbone)

In the pelvis the bone arrangement protects vital organs of the lower abdomen.
How many pairs of ribs?
12
There are 12 pairs of ribs. Elaborate.
The lower two pairs of ribs "float" and are not connected to the "gristle" or cartilage" that composes the junction between the ribs and the breastbone.
What is the 'function' of the bone arrangement in the pelvis?
It protects vital organs of the lower abdomen.
Why is the female pelvis wider than the male's?
To allow space for a baby to pass through when it is born.
Where does the sacrum end?
In the coccyx, which is a residual tail.
What happens inside bones?
Red and white blood cells and platelets are manufactured and essential elements such as calcium and phosphate are stored.
Which essential elements are stored inside bones?
Calcium
Phosphate
There are 12 pairs of ribs. Elaborate.
The lower two pairs of ribs "float" and are not connected to the "gristle" or cartilage" that composes the junction between the ribs and the breastbone.
What is the 'function' of the bone arrangement in the pelvis?
It protects vital organs of the lower abdomen.
Why is the female pelvis wider than the male's?
To allow space for a baby to pass through when it is born.
Where does the sacrum end?
In the coccyx, which is a residual tail.
What happens inside bones?
Red and white blood cells and platelets are manufactured and essential elements such as calcium and phosphate are stored.
What is manufactured inside bones?
Red and white blood cells
Platelets