Because brain damage accrues after only 3 minutes without oxygen, which causes death.
Blood is pumped through blood vessels all over our bodies because it carries the nutrients, mineral, and oxygen that every cell in our bodies need. It also carries out the metabolic waste away from its cell of origin.
Blood vessel is a tube-like structure in our body like vein, artery, and capillary. It carries blood through the tissues and organs within the body.
I'm pretty sure (D) is the right answer
Answer: the correct answer is laryngoscopy.
Explanation: the surgical procedures that would MOST likely require a rigid endoscope is laryngoscopy. It is the endoscopy of the larynx, a part of the throat. It is a medical procedure that is used to obtain a view, for example, of the vocal folds and the glottis.
Random. Hope this helps:)