Rigor mortis: a) is independent of environmental factors. b) occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions. c) is due to the loss of acetylcholine receptors at the neuromuscular junctions. d) involves appendicular skeletal muscles only.
1) is independent of environmental factors.
2) occurs as the sarcoplasmic reticulum deteriorates, releasing calcium ions.
3) is due to the loss of acetylcholine receptors at the neuromuscular junctions.
4) involves appendicular skeletal muscles only.