The answer would be D. variation
The events of inspiration begins with the;
Impulses are conducted on the phrenic nerve to muscle fibers in the diaphragm contracting them.
As the dome shaped diaphragm moves downward the thoracic cavity expands.
At the same time the external intercostal muscles may contract raising the ribs and expanding the thoracic cavity further.
The intra-alveolar pressure decreases
Atmospheric pressure greater than intra-alveolar pressure forces the air into the respiratory tract through the air passages.
The lungs fill with air.
This would result in whatever effectors that spinal nerve controlled would no longer work; it would be paralyzed
The prairie would become overpopulated and there would be no more food for the rabbits and they would eventually die.
Answer: The protein is translated on free ribosomes and then passes through the pore complex to enter the nucleus.
Explanation:
