Vertebrates have a back bone. They have living endoskeleton, pharnyx and efficient respiration, advanced nervous system, and paried limbs.
The two types of waste in the cellular respiration are aerobic respiration and anaerobic respiration.
This statement is true.
<span>Agonal gasps are not normal breathing and may be present in the first minutes after sudden cardiac arrest.
It can sound like a snore with somehow long intervals between one gasp and another as it usually occurs at slow rates.</span>
From the deepest to most superficial: pia mater, arahnoid, dura mater
