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!
C)having too much homework. because that's an important responsibility during life
The answer is letter B.
In the event that a person suddenly stops after an intense workout without cooling down, aneurysm and heart attack are possible to happen. During an intense workout everything in the body is performing extra. This extra performance causes the heart to pump at a faster rate, the blood vessels to dilate, the muscles to contract at a speedy rate, among others. Cooling down is an essential part of any fitness program as this slowly brings the body back into homeostasis. It is often overlooked by many but the risks of possible accidents to happen are high when this is not performed in exercise.
When penicillin was first developed in 1940, many doctors regarded it as a Panacea that would end all infectious diseases.
