A structure made up of two or more kinds of tissues that perform a special functions is an organ.
Answer:
3 all of above, because exercising reduces your chances of getting sick, you can inherit disease from your parents and being fat causes you to develop health problems, for example: diabetes, asthma, high blood pressure, etc.
Answer:
Questionnaires
Explanation:
They allow both government and outside researchers to obtain estimates of a variety of health related topic or issue among either the entire nation or specific demographic group of the population.
And the survey design is cross section.
Breakfast would be the correct answer due to it being the best and most important meal of the day!