The cascade of events in the intrinsic pathway can be set into motion when _____ comes into contact with collagen
A. factor III
B. factor VII
C. factor X
D. factor XII
E. calcium
D
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In what form is the body's largest pool of calcium?
A. Bones, in the form of hydroxyapatites B. Liver, inside the endoplasmic reticulum C. Embedded in collagen in many types of connective tissue D. Skeletal muscle, stored in terminal cisternae E. Blood, dissolved within the plasma
An action potential spreads through the atria by gap junctions, but there are no gap junctions present in the ventricles, so the impulse must be propagated throughout the ventricular myocardium by the bundle of His and Purkinje system
Indicate whether the statement is true or false
Which muscle group adducts the thighs?
A) gluteus muscles B) adductor group C) hamstring group D) quadriceps group E) fibularis muscles
The ________ is the cell's control center.
A. Golgi apparatus B. lysosome C. cytosol D. nucleus E. smooth ER