the skeleton and muscles Flashcards
give two functions of the skeleton
-support
-protection of internal organs
name any two bones of the avial skeleton
-skull
-ribs
name the biomolecule that is the main component of cartilage
protein
the innominate bones are part of the appendicular skeleton. what are these bones commonly known as
pelvis
explain the term antagonistic muscle pair
muscles with opposing effects
give one example of an antagonistic pair of muscles in the human body
biceps
name the connective tissue that joins muscles to bones
tendon
name the type of bone cell that lays down new bone
osteoblast
give two factors that affect bone renewal
-excercise
-hormones
name a type of joint in the human body and give its location
ball and socket - shoulder
name one type of synovial joint and give one location in the body where it is found
hinge - knee
name the structure that connects two bones in a joint
ligament
give one function of cartilage
shock absorber
give one function of compact bone
strength
spongy bone contains bony bars and plates separated by irregular spaces. name the tissue that fills these spaces and give one function of this tissue
bone marrow - makes blood cells
give one possible cause for arthritis
wear and tear of cartilage
explain the term carpal
bones in the wrist
explain the term tarsal
bones in the ankle or heel
explain the term tendon
connects muscle to bone
explain the term ligament
connects bone to bone
explain the term biceps
muscle contracts to bend arm
explain the term triceps
muscle contracts to straighten arm
explain the term osteoblasts
cell that builds up bone
explain the term osteoclast
cell that breaks down bone
explain the term axial skeleton
skull and vertebrae
explain the term appendicular skeleton
limbs
name the two main parts of the appendicular skeleton, to which the lies are attached
-pectoral girdle
-pelvis
name two types of bones that make up the foot
-tarsals
-metatarsals
name an antagonistic muscle pair in the human body
biceps and triceps
describe in full how this antagonistic muscle pair works
-biceps contract to flex the arm
-triceps contract to extend the arm
there are five regions in the vertebral column. name any two of these regions and state how many bones are found in each named region
cervical-7
thoracic-12
what are the intervertebral discs made of and what is their function
cartilage - shock absorber
give a function of yellow marrow
stores fat
give a function of red marrow
makes blood cells
where are the discs in the human backbone
between the vertebrae