body systems Flashcards
Name 3 major organs of the body?
Brain, heat, lungs
What is the role of the respiratory system?
to carry out the exchange of gasses that we need
Name 3 organs of the respiratory system?
lungs, trachea, broncus
What is the role of the eppiglotis?
tiny flap that prevents food from entering the trachea
what is the role of the pharynx?
connects the nasal cavity to the trachea
what is the role of the bronchioles?
decrease the amount air flowing through and carry air to the alvioli
what is the function of the alvioli?
site of the gas exchange where the carbon dioxide is taken from the blood stream and replaced with oxygen
what are some of the key roles of the skeletal system?
to offere support, protection, movement, calcuim storage, blood cell production
how many bones are in the body?
206
what is cancellous bone?
soft spongey bone
give a example of a long bone
femur
give a example of a flat bone
scapula
what is another name for the collar bone
clavical
what is the jaw bone called
mandible
what does the muscle system do
allows movement