查看完整版本: [bio] nerve system and breathing

[bio] nerve system and breathing

[size=3]請問increased co2 concentration  stimulate the respiratory centre[/size]

[size=3]個respiratory centre send nerve impulse to diaphragm and intercostal muscle[/size]

[size=3]係經somatic nerve (somatic nervous system)定sympathetic nerve (autonomic nervous system)?

ps文達有錯?

thxem03[/size]

應無錯。有好多版本