QUES: Most meals digestion occurs in the upper small gut and most of the absorption of the individual nutrients occurs in its lower regions

correct the punctuation.

CORRECTED: Most meals digestion occurs in the upper small gut and most of the absorption of the individual nutrients occurs in its lower regions.

QUES: I write for all who share these pleasures in Danish because it is my mother tongue in English to make it accessible for more people my husband included

correct the punctuation.

CORRECTED: I write for all, who share these pleasures, in Danish, because it is my mother tongue, in English to make it accessible for more people, my husband included.

QUES: Stand with your arms lifted before your chest letting your head hang down

correct the punctuation.

CORRECTED:
Stand with your arms lifted before your chest, letting your head hang down.