QUES: In order for these nervous impulses to work and end in orgasm another signalling substance acetylcholine is necessary

correct the punctuation.

CORRECTED: In order for these nervous impulses to work and end in orgasm, another signalling substance, acetylcholine, is necessary.

QUES: On April the 27th the municipalities agreed that the government is allowed to issue a national directive and say This applies to the whole nation period

correct the punctuation.

CORRECTED: On April the 27th, the municipalities agreed that the government is allowed to issue a national directive and say "This applies to the whole nation, period!"

QUES: It is an ancient sport as evidenced by the 5th century BC Myron statue Discobolus Although not part of the modern pentathlon it was one of the events of the ancient pentathlon which can be dated at least back to 708 BCA routine part of most modern track and field meets at all levels it is a sport which is particularly iconic of the Olympic Games

correct the punctuation.

CORRECTED:
It is an ancient sport, as evidenced by the 5th century BC Myron statue, Discobolus. Although not part of the modern pentathlon, it was one of the events of the ancient pentathlon, which can be dated at least back to 708 BC.A routine part of most modern track and field meets at all levels, it is a sport which is particularly iconic of the Olympic Games.