What creates the pulse?
A. the diastole of the ventricles
B. ejection of blood from the left ventricle into the aorta
C. the compliance of the arteries
D. constriction of the arterioles
B
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When an antigen appears, the adaptive immune system response begins with __________.
a. the release of endogenous pyrogens b. the presence of immunoglobulins in body fluids c. the activation of the complement system d. the activation of specific T cells and B cells
An articulation is any point at which two bones meet
Indicate whether the statement is true or false
Where would you find the trachealis muscle?
A. Superior to the larynx B. Between the esophagus and the diaphragm C. Between the trachea and the diaphragm D. Between the esophagus and the trachea E. Between the larynx and the pharynx
The countercurrent multiples is a negative feedback mechanism
Indicate whether the satement is true or false. A.True B.False