The answer is C skeletal because the bones are part of the skeletal system being held together by the skeletal muscle
Answer: vit D
Explanation:
To help strengthen bones.
Answer:
d. Okinawans consume more vegetables but fewer calories.
Explanation:
Okinawan diet is the reason behind their long and healthy life. Their carbohydrate to protein ratio in diet is 10:1; which is opposite to the US population who eat more protein and less carbohydrate. A low protein and high carbohydrate diet protect from ageing related illnesses such as Alzheimer, cancer and cardiovascular disease.
Both (animal) and human activities contribute to land pollution.
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