People Who Are Fit Have a Higher Resting Heart Rate

question 65

True/False

People who are fit have a higher resting heart rate than people who are unfit.

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Definitions:

Blastocyst

Stage of mammalian embryos that consists of the inner cell mass and a thin trophoblast layer enclosing the blastocele.

Depolarization

The process in which the resting membrane potential becomes less negative, moving towards zero, typically as a precursor to an action potential in neurons.

Plasma Membrane

The lipid bilayer that encloses the cytoplasm of a cell, regulating the entry and exit of substances in and out of the cell.

Polyspermy

The fertilization of an egg by more than one sperm, which is normally prevented in many species to ensure proper development.