Membrane structure and transportation0.5 hr Bioelectrical phenomenon-mechanisml hr Excitation induction and spread0.5 hr Contraction of skeletal muscle I hr 3. 教学靈点与难点 1. 教学重点 Internal environment and homeostasis; Regulation of functional activities including negative feedback,positive feedback and feed forward. Transmembrane material transport; Bioelectrical phenomenon of cell: Chemicaltransmission of neuromuscular junction; Excitation-contraction coupling of skeletal muscle 2 教学难点 Resting potential,RP and action potential,AP,polarization,depolarization,hyperpolarization,overshoot,repolarization,spike potential,after-potential,all-or-none phenomenon.Mechanism of bioelectrical phenomenon:concentration gradient,electromotive force and equilibrium potential;Resting potential andaction potential. Mechanism of skeletal muscle contraction:myofilament sliding theory.Excitation-contraction coupling of skeletal muscle:process and a role of calcium,calcium-induced Ca2+release,CICR.Membrane structure and transportation0.5 hr Bioelectrical phenomenon—mechanism1 hr Excitation induction and spread0.5 hr Contraction of skeletal muscle 1 hr 3. 教学重点与难点 1. 教学重点 Internal environment and homeostasis; Regulation of functional activities including negative feedback, positive feedback and feed forward. Transmembrane material transport; Bioelectrical phenomenon of cell; Chemicaltransmission of neuromuscular junction; Excitation- contraction coupling of skeletal muscle 2. 教学难点 Resting potential, RP and action potential, AP, polarization, depolarization, hyperpolarization, overshoot, repolarization, spike potential, after-potential, all-or-none phenomenon. Mechanism of bioelectrical phenomenon: concentration gradient, electromotive force and equilibrium potential; Resting potential andaction potential. Mechanism of skeletal muscle contraction: myofilament sliding theory. Excitation- contraction coupling of skeletal muscle: process and a role of calcium, calcium-induced Ca2+ release, CICR