Answer:
Obesity.
Anatomical considerations, such as the size of the chest and the location of the heart within the chest.
Movement during the test.
Exercise or smoking before the test.
Certain medicines.
Electrolyte imbalances, such as too much or too little potassium, magnesium, or calcium in the blood.
Explanation:
C. More than 5,000
5,600 people are infected with HIV everyday.
Answer: It helps keep things like fluids and your tongue away from your airway.
Explanation:
