Agree. Its okay to not be cheerful at times. Its actually healthy to show emotions.
The core muscles stabilize and protect the spine. They help control all movements and make it possible for us humans to walk and stand up right. The core helps us transfer energy, shift our body weight and reach/move in different directions. It is important to have a strong set of core muscles because it makes everyday activities easier.
I'm going to say B because the other answers just don't seem to make sense.
Someone with Emphysema will usually be diagnosed with COPD ( Chronic obstructive pulmonary disease) This means their air sacs in there lungs are damaged and the inner walls of the the lungs are weakened and cause larger air spaces. This disease commonly causes bronchitis frequently, hard time breathing , lower immune system.
Answer:
Defibrillator.
Explanation:
Compressions. Airway. Breathing. Defibrillator.
