Which of the below tissues maintains open airways in the lower respiratory system?
a) stratified squamous epithelium with keratin
b) ciliated pseudostratified columnar epithelium with goblet cells
c) hyaline cartilage
d) mucus membrane
e) bone
c
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The ________ is the amount of blood in a ventricle after it has contracted and before it begins to refill
A) ejection fraction B) end-diastole volume C) start-diastolic volume D) end-systolic volume E) stroke volume
All of the following are part of the limbic system EXCEPT the
A) amygdala B) fornix C) medulla D) hippocampus
The ________ immune response occurs faster, is stronger, and lasts longer than the ________ immune response.
A. secondary; primary B. tertiary; primary C. secondary; tertiary D. primary; secondary
The rate and force of heart contractions change to meet the metabolic needs of the tissues which can vary based on different conditions.
a. true b. false