The lymph nodes filter bacteria, viruses, and tumor cells from blood on its way back to the heart
Indicate whether the statement is true or false
FALSE
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All cells reproduce at the same rate
? Indicate whether the statement is true or false
The sinoatrial node is normally the heart's pacemaker because it has the fastest spontaneous rate of diastolic depolarization.
Answer the following statement true (T) or false (F)
The highly branched contractile cells that regulate capillary permeability are called
A) endothelial cells. B) podocytes. C) pericytes. D) vascular smooth muscle. E) epitheliocytes.
Between the start of the latent period and the start of the contraction period, there is a time interval during which the muscle cannot respond to another stimulus. This brief period is known as the:
A) tension period. B) relaxation period. C) refractory period. D) action potential.