Answer: Pumps more blood than it used to through the body with each beat
Explanation:
Aerobic activities such as jogging and aerobic exercises are helping in strengthening the heart so the heart pumps more blood than it used to because the heart in that way is becoming more efficient.
These activities are good and they are helping in heart disease problems and they can improve and help people in preventing heart diseases.
Heart diseases are referring to a weak heart and with aerobic activities, people can strenghthen the heart so it works better.
Seeing as how involuntary movement is breathing or blinking, a voluntary movement must be walking or movement that you command
Answer: B
Explanation:
Protenin gies bettter muscle mass
