body systems Flashcards
(33 cards)
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
what are agnostic pairs of muscles
where one muscle contracts and the other relaxes
what are ligaments
connect bone to bone act as a stablizer
what are tendons
conect muscles to bones allow the movement of bones
what is the role of the digestive system
to break down the food while taking the necessary products into the blood stream
what are the role of the villi
increase surface are and allow more absorption of nutrients
what is the role of the liver
to create bile
what is bile
broken down red blood cells
what does the syomach digest
protiens braking them down with acids
what is the role of the small intestine
to complete digestion and absorb food particles into blood
