GENERAL ANATOMY
RESPIRATORY SYSTEM
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
diaphragm contracts downward
|
|
|
rib cage expands
|
|
|
volume of lungs increases
|
|
|
rib cage contracts
|
Detailed explanation-1: -So the correct answer is ‘Relaxation of phrenic muscles and Relaxation of external intercostal muscles ’.
Detailed explanation-2: -Hence, the correct answer is ‘Brings the air to body temperature’
Detailed explanation-3: -(c) Diffusion of gases is a physical phenomenon that takes place between the tissue and blood vessels, and does not occur during breathing whereas bringing air to the body temperature, its cleaning and warming occurs during the process of breathing.
Detailed explanation-4: -Which of the following does NOT happen during inspiration? ANSWER: Option (B)-The diaphragm lifts up.
Detailed explanation-5: -Within each single breath their action is highly coordinated with that of the inspiratory rib cage muscles. During inspiration, while the rib cage muscles contract, the abdominal muscles gradually relax, and vice versa during expiration.