Answer:
The nervous system has three broad functions. Sensory Input, Information Processing, and Motor Output.
Explanation:
Answer:
C
Explanation:
you can decide what you have in your own house
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.
Sit-ups are the muscle strengthening activity. Running and jumping are both cardio, and stretching just warms up the muscles.