呼吸 こきゅう器 き系 けい

kokyūkikei

1. Not respiratory.; Not related to the respiratory system.

1. Was respiratory.; Had a respiratory system.

1. Respiratory system

1. Respiratory; Relating to respiration

1. Not respiratory.

1. Not respiratory.; Not related to the respiratory system.

1. Was respiratory.

1. Respiratory system.

1. Not respiratory.; Not related to the respiratory system.

1. Was not respiratory.; Wasn't the respiratory system.

1. Probably respiratory.; Probably the respiratory system.

1. Was not respiratory.; Was not related to the respiratory system.

1. Wasn't respiratory system.

1. Probably respiratory.; Possibly the respiratory system.

1. Was not respiratory.; Was not related to the respiratory system.

1. If/when respiratory system; If it were the respiratory system

1. If/when respiratory system; If the respiratory system

1. If/when respiratory system; If the respiratory system