Examlex
Sympathetic stimulation of cardiac muscle cells produces stronger and faster contractions because proteins that pump Ca²⁺ out of the cell are inhibited,which reduces Ca²⁺ concentration in the sarcoplasm.
Mass
A property of a physical body which determines the body's resistance to being accelerated by a force and the strength of its mutual gravitational attraction with other bodies.
Fragments
Smaller parts or pieces that have broken off or been separated from something whole.
Density
The mass per unit volume of a substance, indicating how compact or sparse the substance is.
Displace
To move or force something/someone away from their usual or original position.
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