It could be stated that smooth muscles are the voluntary muscles. They evolve the control of the following functions: <span>breathing, digestion, perspiration, and urination. So option A heartbeat does not belong to this group. In fact it belongs to the cardiac muscles which are involuntary. </span>
The increase of chance dizzines and sickness
Fear is pretty powerful. When someone experiences something terrifying, they'll get this sensation. Their muscles will tense up and/or lock. They'll be frozen with widened eyes. It is known to hold others back.
I think the answer is 10,000,
because 500 mL and 20 is equal to 10,000.
500 x 20 = 10,000
Body mass index (BMI) is an anthropometric index of weight and heights