Examlex
The heart contains endocrine cells that secrete atrial natriuretic peptide (ANP).
Sarcoplasm
The cytoplasm of a muscle fiber, containing the cellular components necessary for muscle contraction.
Muscle Tone
The continuous and passive partial contraction of muscles, which helps maintain posture.
Constant Tension
A state in which a muscle remains at a singular tension level without shortening or lengthening significantly.
Tetanus
Tetanus is a serious bacterial infection characterized by muscle stiffness and spasms, caused by the toxin of the bacterium Clostridium tetani.
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