exam 6 Flashcards
what is plasma and what is it made of
the liquid part of blood that is made up of water, salt, and albumin
formed elements
Erythrocyte (RBC) Leukocyte (WBC) platelets
what supplies the heart with blood
coronary arteries
what blood vessel goes away from the heart
arteries
what vessels have the thickest muscular layer
arteries
what is the chamber with the highest % oxygen
left atrium
what vessels have the thinnest walls and are a site of exchange
capillaries
what vessels have the thinnest walls and are a site of exchange
capillaries
which vessels have valves
veins
what valve is between the right atrium and right ventricle
tricuspid valve
what valve is between the right ventricle and the pulmonary arteries
pulmonary semilunar valve
what is the difference between systole and diastole
systole is when the vessels ar contracting and diastole is when the blood is flowing and the vessels are relaxed
where does blood go after the left ventricle
aortic semilunar valve
function of erythrocyte
carry oxygen, carry out CO2
what is the SA node
pacemaker of the heart
Cardiac conduction cycle
SA node–AV node–Bundle of HIS–purkinje fibers
main muscle for inhalation
diaphragm
where is the epiglottis and what does it do
it’s in the larynx and it prevents food from going into the trachea
what is oxygen bound to
hemoglobin
what is the function of the respiratory system
take in O2 release CO2
steps of the respiratory system
nose–nasal cavity–pharynx–larynx–trachea–bronchi–bronchioles–alveoli
what is the trachea made of
cartilage
what is different about the stomach
it has three layers rather than two, the extra one is called the oblique
what body part makes up the most enzymes
pancreas
where does carbohydrate digestion begin and what enzyme is used
mouth; salivary amylase
where does protein digestion begin and what enzyme is used
stomach; pepsin
what turns pepsinogen into pepsin
stomach acid/acidic environment
where is bile produced?
in the liver
what happens in the large intestine
Ecoli produces vitamin K and vitamin B
what does bile do
it helps break down fats
where does food go through in digestion
esophagus–stomach–duodenum–jejunum–ileum–cecum–ascending colon–transverse colon–ascending colon–rectum–anus
