chapter 6 THE HUMAN BODY Flashcards
what does anterior mean
front
what does posterior mean
back
what does the midline refer to
imaginary line that decides the body in equal haves left and right
medial
closer to the midline
lateral
further from the midline
proximal
close or close to the point where the alarm or leg is attached
distal
distant or distant from the place where arm or leg is attached
what is the passage within the lungs called
bronchi and aveoli
what does the airway consist of
nasopharynx, oropharynx, throat,larynx ,trachea, and bronchi and alveoli
epiglottis
keeps food from entering your larynx
how often does the exchange of co2 for O2 happen?
12to 16 times per minute
what does the diaphragm do
the muscles that move to inflate lungs
what does the circulatory system include
heart blood and blood vessels
how many chamber are in the heart?
4
what the upper chambers of the heart called
atrium
where does the right atrium receive blood?
receives blood from veins of the body.
where does the left atrium receive blood?
the lungs
what are the bottom chambers of the heart?
ventricles
what does the right ventricle do?
pumps blood to the lungs
the left ventricle is is responsible for what in the circulatory system
it pumps blood through out or body
what’s special about the left ventricle?
the most muscular chamber in the heart
blood flows___ ____ in the heart and veins
one way
in what direction do arteries carry blood?
away from the heart