Biology Unit 7 Quiz 2
protection movement production of blood cells support
(Select all that apply.) Choose from the following the primary functions of the skeletal system. protection movement production of blood cells getting rid of wastes support blood circulation
ears nose larynx trachea
(Select all that apply.) Choose the parts of the body which incorporate cartilage. adult skull ears nose larynx mouth teeth trachea
atrophy
A condition of the muscles whereby they become weak from disuse is called muscular _______________________.
arthritis
A disease which can cause inflammation, stiffness, and disfigurement of the joints is called ________________________.
radius
A forearm bone
ulna
A forearm bone
flexor
A muscle that bends a joint
extensor
A muscle that straightens a joint
bursa
A sac filled with lubricant
poliomyelitis
A viral infection of the spinal cord that produces paralysis
peridontitis
Advanced disease of the soft tissues that support the teeth
muscular dystrophy
Birth defects that cause muscles to malfunction
maxilla
Bone that holds the upper teeth
appendicular skeleton
Bones associated with the arms and legs
axial skeleton
Central bones -- the skull, spine and ribs
Haversian canals
Channels in bone that contain blood vessels
ligament
Choose the correct connective tissue. Bone to bone
tendon
Choose the correct connective tissue. Muscle to muscle
clavicle
Collar bone
wisdom
Complete the following statement. The third molar at the back of the mouth is called the ____________________ tooth.
myofibrils
Complete the following statement. The tiny protein-based threads contained in each muscle fiber are called __________________________________.
myofibrils
Components of a muscle
uvula
Fleshy projection hanging down from the back of the soft palate
3
How many long bones are in each arm? 3 5 2 4
paralysis
Inability to move
bursitis
Inflammation of a bursa
arthritis
Inflammation of joints
gingivitis
Inflammation of the gums
bursitis
Inflammation of the lubricating sacs of the joints is called __________________________.
mandible
Jaw bone
patella
Knee cap
tibia
Large bone in the lower leg
tonsil
Lymph nodes at the back of your mouth
smooth
Match the muscles and their associations. arteries
smooth
Match the muscles and their associations. digestive tract
cardiac
Match the muscles and their associations. electrical nodes
skeletal
Match the muscles and their associations. extensors
smooth
Match the muscles and their associations. involuntary
skeletal
Match the muscles and their associations. tendons
skeletal
Match the muscles and their associations. voluntary
actin myosin
Myofibrils contain two different proteins known as _____________ and _________________. actin myosin sarcomere mitochondria
actin
One of the two proteins involved with muscle contraction
myosin
One of the two proteins involved with muscle contraction
ilium
One of the two upper wing bones of the pelvis
involuntary
Operate without your help
spasticity
Overactive, uncoordinated muscles
cerebellum
Part of the brain that coordinates movement
cartilage
Rubbery material that forms the extension of bones
scapula
Shoulder blade
fibula
Small bone in the lower leg
ligaments
Straps of connective tissue which holds bones together at the joints are: ____________________________________.
sacrum
The bone that forms the lower end of the spine and joins the pelvis in the back
pubis
The bone that joins the two halves of the pelvis in front
False
The bones of the skull are fused together at birth. True False
vertebrae
The bones that enclose the spinal cord are called the ____________________________________.
pectoral girdle
The bones which support the bones of the arms.
pelvic girdle
The bones which support the bones of the legs.
dentine
The bony inner substance of teeth
adenosine triphosphate
The chemical source of most of the body's energy
Achilles tendon
The connective tissue holding the muscles of the lower back leg to the heel
protect the heart connect the ribs
The function(s) of the sternum is(are) to: protect the kidneys protect the heart connect the ribs connect the pectoral girdle connect the vertebrae protect the brain
enamel
The hard outer covering of teeth
femur
The long bone of the upper leg is the ______________. fibula ulna tibia femur
jaw
The mandible is the: _________
incisors
The most forward two teeth on the upper or lower mouth are: incisors premolars cuspid canine
pulp cavity
The nerve fibers and blood vessels of a tooth are located in the: pulp cavity dentine periodontal membrane cementum gum
Haversian
The passageways which permit blood to circulate through bones are called _______________________________ canals.
knee
The patella is a bone associated with the: wrist knee skull elbow
clavicles scapulae
The pectoral girdle includes the ______________________ and the _______________________.
origin
The point where the muscle attaches to the less movable bone in the joint
insertion
The point where the muscle attaches to the more movable bone in the joint
pulp cavity
The portion of a tooth that gives you pain when the dentist drills your teeth is called the _______________________________________________.
red marrow
The production of blood cells is associated with: yellow marrow Halversian canals periosteum red marrow
extensor flexor
The skeletal type which operates to straighten a joint is called a _________________________, and the type which bends a joint is called a _________________ .
periosteum
The thin tissue that covers bone
radius ulna
The two bones of the lower arm are: radius ulna tibia humerus femur
fibula tibia
The two lower leg bones are called the _____________________ and the ______________. ulna humerus fibula femur tibia radius
calcium
The two primary substances associated with healthy bones are vitamin D and ________________________.
humerus
The upper arm bone is the: radius ulna humerus tibia
False
The uvula is commonly known as the tonsils. True False
atrophy
The wasting away of tissue
femur
Thigh bone
sugar gum disease acid bacteria
Tooth cavities are caused by: sugar gum disease acid bacteria
caries
Tooth decay; cavities
palate
Top of the mouth
ligament
Tough straps of connective tissue that hold joints together
voluntary
Under your conscious control
1% a day
Unused muscles deteriorate at a rate of about 5% a month 1% a day 5% a day 10% a year 1% a month
humerus
Upper arm bone
Haversian canal
blood vessel
marrow cavity
central hollow shaft
yellow marrow
fat cells
knee
femur and tibia
elbow
humerus, radius and ulna
red marrow
makes blood cells
hip
pelvis and femur
periosteum
protective covering
sacroiliac
sacrum and ilium
shoulder
scapula and humerus
vertebra
vertebrae, The bones of the spine