Describe the difference in pressure against your cheeks when they are full of air versus When You released it

When they were full of air, then the Pressure was the Highest 'cause of the larger force under the specified area as compared to when we released it. We decreased the area of our cheek, so pressure increased and air flows from the cheek (area of high pressure) to the atmosphere

Explanation:

answer; i believe its (ovulation);

there's the proffessional site that will you.