bio Flashcards
kneecap
patella
leg bones
femur, tibia, fibula
dead skin and hair cells
keratin
connects bone to bone
ligament
secrete water, salts, and wastes
sweat glands
skeletal muscle
striated muscle
sac containing hair root
follicle
shoulder blade
scapula
stomach muscle
visceral muscle
under both layers of skin
subcutaneous tissue
visible part of hair
shaft
bumps on the dermis
papillae
hip joint
ball-and-socket joint
a thick layer of keratin cells
callus
collarbone
clavicle
secrete oil
sebaceous glands
cushions joints
articular cartilage
thumb joint
saddle joint
nose and ears
permanent cartilage
arm bones
humerus, ulna, radius
a water-filled wound
blister
outer layer of skin
epidermis
elbow joint
hinge joint
skin and hair pigment
melanin
thicker layer of skin
dermis
attaches bone to muscles
tendon
heart
cardiac muscle
four functions of the skin
- protection
- regulation of body temperature
- providing skin, hair, and eye color
- a sensory organ
what is the most important function of the skin
protection
five functions bones provide
- physical support
- a surface to which muscles attach
- protection for internal organs
- storage for minerals
- manufacture of blood cells
what are the 2 divisions of the skeleton
axial skeleton, appendicular skeleton
people who have no pigment in there bodies
albinos
the rounded end of a bone
epiphysis
the shaft of a bone
diaphysis
membrane covering the diaphysis
periosteum
inside the periosteum is the
compact bone layer
2 parts of the compact layer
matrix and osteocytes
what do the haverson canals contain
blood vessels
all scientific names are
latin or greek
which bone marrow stores fat
yellow
which bone marrow produces blood cells
red
list four types of bones and give an example for each
long- femur
short- carpals
flat- clavicle
irregular- vertebrea
what are carpals
wrist bones
what are tarsals
ankle bones
what are phalanges
finger and toe bones
why is the foot able to support weight
because God designed it with 2 arches
what is the primary function of cartalige
to cushion bones
3 places where bones fuse together
sternum, skull, lower end of vertebral colomn
the point at which 2 or more bones come together
joint
3 connections between bones
no movement
slight movement
free movement
6 types of free-moving joints
saddle, wrist, hinge, pivot, ball-and-socket, gliding
a protein that allows ligaments to be stretched
elastin
a synovial-filled sac that helps cushion joints
bursa
3 parts of a striated muscle
origin, body, insertion
which muscle has more endurance than any other
cardiac
