Answer:
Sinoatrial Node?
Explanation:
Blood pressure drops whenever the vagus nerge is stimulated. In fact, babies have to constantly be monitored for position, becase cranial pressure can stimualte the vagus nerve and cut heart circulation by inhibitng the Sinoatrial node.
Process of cellular respiration.
It must be successful at reproducing and surviving
Hold on let me go do my research I’ll brb .
The answer could possibly be natural selection or survival of the fittest
