B....
ABC's of resuscitation usually are used to describe the three most important aspects of CPR, Basic Life Support, and Advanced Life Support. A stands for Airway, B stands for Breathing, and C stands for Circulation. If any one of these things are compromised a patient can and will die.
Answer:
The aorta (the main blood supplier to the body) branches off into two main coronary blood vessels (also called arteries). These coronary arteries branch off into smaller arteries, which supply oxygen-rich blood to the entire heart muscle. The right coronary artery supplies blood mainly to the right side of the heart.
Explanation:
<span>Adolescents require fewer hours of physical activity than adults.
-False
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