[Solved] Which adolescent is most likely to form a close online relationship with a stranger? A) Arthur, who frequently watches online pornography B) Ayanna, who spends the majority of her free time on her computer or smartphone C) Jeannette, who fights with her parents frequently and has high levels of anxiety D) Momoko, who keeps in touch with her friends mainly through social media Aerobic Exercise: Physical exercise that improves the efficiency of the body's cardiovascular system in absorbing and transporting oxygen. Vascularity: The extent of blood vessels within a given tissue, important for providing nutrients and oxygen and removing waste. Mitochondria: Organelles found in the cells of nearly all eukaryotes that produce energy through cellular respiration. Oxygen Deficit: The lack of oxygen supply in muscles during the early stages of exercise, leading to anaerobic energy production.