The skeletal system protects the brain and other important organs
Well your body is affect by leukemia because once it starts taking out the white blood cells your body becomes weaker because there is nothing to fight off sickness so there really is no part of your body that leukemia does not effect.
Cardio- exercises like running, cycling, and rowing
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.
