Probably because you can't breathe...
Paralysis of the limbs. In some cases, it can cause paralysis of the chest muscles making breathing difficult. It can even cause death.
Polio is a disease caused by a virus. It causes paralysis in the muscles. If it affects the muscles of the chest, it can prevent breathing and the individual suffocates.
paralysis of voluntary muscles, not involuntary muscles and tissues that control body functions
When the release of acetylcholine (ACh) is blocked, communication between nerve cells and muscles is disrupted, leading to muscle weakness or paralysis. This can cause symptoms such as difficulty moving, breathing, or swallowing, depending on which muscles are affected.
It can cause paralysis including paralysis of the muscles need for respiration.
Poliomyelitis
cycloplegia
These are diaphragm and externa intercostal muscles in quiet breathing and sternocliedomastoid ,sclene muscles,anterior serrati in heavy breathing
Botulism can cause facial muscle paralysis and problems with breathing. The botulinum toxins are very similar in structure and function to the tetanus toxin, but differ dramatically in their clinical effects because they target different cells in the nervous system. illness which begins by causing the paralysis of the face muscles and then the paralysis of most of the body.When the muscles which control breathing become paralyzed, this results in reparatory arrest and death.Botulinum toxin is the most powerful neurotoxin known to date. Only one single molecule of it is needed to stop one neuron working.Just one gram of botulinum toxin would be enough to kill 14,000 people (if ingested), 1.25 million people if inhaled, or a staggering 8.3 million people if injected.
A neuromuscular blocker causes temporary paralysis by blocking the transmission of nerve stimuli to the muscles. This type of drug is used adjunctively to anesthesia to produce paralysis.
cobra
In advanced stage of the rabies, you get paralysis of muscles.