true is the correct answer hope this helps 8-)
Answer:
Oxygen enters the lungs through the trachea, which branches into two tubes called the bronchi, which lead to the lungs.
Answer:
C. Tobacco use, poor diet, and inactivity
Explanation:
According to a research by the National Research Council and Institute of Medicine, it was reported that most behaviour-related premature deaths in the United States are caused by factors that can be controlled.
The research revealed that, apart from the fact that other causative agents such as the auase of tobacco had significantly decreased, other neglected agents such as poor diet and inactivity were found to be increasingly cause premature deaths.
More older people need screenings more often because they have more of a chance to get breast cancer.
