What is a refractory period in ECG?

What is a refractory period in ECG? In electrocardiography, during a cardiac cycle, once an action potential is initiated, there is a period of time that a new action potential cannot be initiated. This is termed the effective refractory period (ERP) of the tissue. What is the purpose of the refractory period? The refractory period […]

Is asparagus a Liliaceae?

Is asparagus a Liliaceae? Asparagus (family Liliaceae) A genus of small shrubs or perennial herbs that have creeping, underground stems and green, needle-like branchlets replacing the leaves which are reduced to papery scales. What family group is asparagus? Asparagaceae The asparagus family (Asparagaceae) comprises about 153 genera and some 2,500 species of flowering plants. Distributed […]

Are SanDisk USB sticks good?

Are SanDisk USB sticks good? The brilliantly priced SanDisk Extreme CZ80 is among the best USB drives, as it offers plenty of storage space and fast file transfer speeds. Be prepared to be impressed as while it’s priced more towards the budget end of USB sticks, its performance is anything but budget. This one’s is […]

Who funds the Smithsonian Channel?

Who funds the Smithsonian Channel? The Smithsonian Channel is an American pay television channel owned by ViacomCBS through its domestic media networks division under MTV Entertainment Group. How can I watch the Smithsonian Channel for free? You can watch Smithsonian Channel programming in a variety of ways: ONLINE OR IN THE APP: Watch select free […]

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