It is c:Cardiac muscles are voluntary.
False, because then they have to experiment and see why it would be illegal. They would have to see if it harms health. If they discovered it today then, all the expirments and things we know already about alcohol and tobacco wouldn't exist. So they'd have to create that. So after a few years it would become illegal, but not at first. Your anwser is False.
The speed is not stable/constant , it`s changing
The answer is D. All are false because teh food that a vegetarian eats can provide equal or more energy. It does also not have a higher risk of heart disease. Plants and vegetables are also healthy so it prevents. Plants can give you more protein, if you eat the correct foods.