Answer:
Principles
Explanation:
"Specificity and progression" are two principles related to maintaining physical health. Therefore we can say that the word "principles" is the most suitable to replace the word "thing".
Also, "Specificity and progression" are neither exercises nor muscles. Nor are they acronyms, since an acronym is the word formed by joining letters or initial syllables of a group of words, pronounced as one word.
you can simply say "No" and that you rather play video games, or something like that
Explanation:
These include fostering healthy and responsible behaviours; promoting equitable and mutually respectful and responsible gender relations; increasing reproductive choice especially for women; increasing male responsibility in reproductive health; meeting the information, education and aervuce needs of women.