Answer:
Cartilage rings of trachea have protective role
Explanation:
Trachea is a tube, part of the respiratory system, which allows the passage of the air: from larynx to lungs (primary bronchi). It is enveloped with cartilage rings that prevent collapse of the trachea when there is no air. The cartilage "rings" are C-shaped, except one full ring-shaped - the cricoid cartilage which attaches trachea to the larynx.
The answer would be 5 miles per hour, as 5x4 = 20
Answer:
A
Explanation:
A meteor is a rock falling from the galaxy and usaully is burning because of the atmosphere.
Are there choice options given? if not, the answer would be a limiting factor
At least 3 or 4 small cuts not more than an inch
but it will increase towards the end of the surgery