Problem: Add spaces: DesignChristmastreemadeofwood,flatmodel.

Spaces added: Design Christmas tree made of wood, flat model.

Problem: Add spaces: Kattegat:Kattegatpuretext,withoutadvertisement!

Spaces added: Kattegat : Kattegat pure text, without advertisement !

Problem: Add spaces: 39AndIwillforthisafflicttheseedofDavid,butnotforever.

Spaces added: 39 And I will for this afflict the seed of David, but not for ever.

Problem: Add spaces: Changesinheartrateusuallyinvolveareciprocalactionoftheparasympatheticandsympatheticdivisionsoftheautonomicnervoussystem.

Spaces added:
Changes in heart rate usually involve a reciprocal action of the parasympathetic and sympathetic divisions of the autonomic nervous system.