A) is a major contributor to heart attacks.
B) would block conductance between the bundle branches and the Purkinje fibers.
C) would have a negative effect on peripheral resistance.
D) would disrupt the rate and timing of cardiac muscle contractions.
E) would have a direct effect on blood pressure monitors in the aorta.

A) annelids
B) molluscs
C) fishes
D) frogs
E) insects

A) the digestive juices.
B) the intracellular fluid.
C) the blood plasma.
D) the cytosol.
E) the interstitial fluid.