Answer:
"The muscles of respiration are also called the 'breathing pump muscles', they form a complex arrangement in the form of semirigid bellows around the lungs. All muscles that are attached to the human rib cage have the inherent potential to cause a breathing action. Muscles that helpful in expanding the thoracic cavity are called the inspiratory muscles because they help in inhalation, while those that compress the thoracic cavity".
Explanation:
I hope this helps!
You can try to put your self into a calm mode and just relax and breath Hope this helps :)
Nearly 23% of teens die from smoking-related causes
Answer:
Epidemic or pandemic
Explanation:
Both mean a disease that has infected many people, but pandemic is probalby your best bet. I do not know for sure but this is what I would answer. Hope this helps!
What property makes the normal pacemaker region of the heart function as a pacemaker?
The property of the normal pacemaker region is able to provide a normal setting for the heart to beat. It allows the heart to beat at a regular rate.