Bones pre-lab
sutures, which have their irregular edges of bone joined by short fibers of connective tissues, are an example of __________ joints
fibrous
the arm consists of one long bone, the _________
humerus
every muscle of the body is attached to a bone or other connective tissue structure at two points. the ____________ is the more movable attachment
insertion
the femur is an example of a ______________ bone
long
the ________, or kneecap, is a sesamoid bone that is found within the quadriceps tendon
patella
the ________ girdle attaches the upper limb to the axial skeleton
pectoral
structural classification of joints includes fibrous, cartilaginous, and _____________, which have a fluid- filled cavity between articulating bones
synovial
each foot has a total of ____ bones
26
wide, shallow pelvis
female
the strongest, heaviest bone of the body is in the thigh. it is the _________
femur
the type of cartilage that has the greatest strength and is found in the knee joint and intervertebral discs is
fibrocartilage
__________ bones are generally thin and have a layer of spongy bone between two layers of compact bone
flat
the lower jaw bone, or_________, articulates with the temporal bones in the only freely movable joints in the skull
mandible
name one of the two functions of an articulation, or joint
movement
a fontanelle
only found in a fetal skull, fibrous membrane, allows for compressions during birth ALL OF THE ABOVE
all the following are functions of the skeleton except
production of melanin
all synovial joints are diarthroses, or freely movable joints
true
the fingers of the hand and the toes of the foot with the exception of the great toe and the thumb- each have three phalanges.
true
the _______, commonly referred to as the breastbone, is a flat bone formed by the fusion of three bones: the manubrium, the body, and the xiphoid process
sternum
the ________ vertebrae articulate with the corresponding ribs.
thoracic
movement of a limb away from the midline or median plane of the body in the frontal plane is known as
abduction
the hip joint is an example of a ___________ synovial joint
ball-and-socket
____________ bone looks smooth and homogeneous
compact
cartilage has a covering made of dense irregular connective tissue called a periosteum
false
embryonic skeletons consist primarily of elastic cartilage, which is gradually replaced by bone during development and growth
false
the first 7 pairs of ribs are called floating ribs because they have only indirect cartilage attachments to the sternum
false
the knee joint is the most freely movable joint in the body
false
the hand consists of three groups of bones. The carpals make up the wrist. the _____________ make up the palm, and the phalanges make up the fingers.
metacarpals
the __________ skeleton is made up of 126 bones of the limbs and girdles
appendicular
the _________ skeleton consists of bones that surround the body's center of gravity
axial
the _________ of a typical vertebra forms the rounded central portion that faces anteriorly in the human vertebral column
body
the seven bones of the neck are called ________ vertebrae
cervical
eight bones make up the _____________, which encloses and protects the brain
cranium
the shaft of a long bone is known as the____________
diaphysis
the __________ on the posterior thorax, are roughly triangular in shape. they have no direct attachment to the axial skeleton but are held in place by trunk muscles.
scapulae
the functional classification of joints is based on
amount of movement allowed by the joint
how many bones of the skull are considered facial bones
14
the structural unit of compact bone is the____________
osteon
this type of movement is common in ball-and-socket joints and can be described as the movement of a bone around its longitudinal axis. It is _______
rotation
the axial skeleton can be divided into the skull, the vertebral column, and the
thoracic cage