Day is simply when a part of the world is getting direct sunlight and night is when the sun is not facing that part of the world and relies on the reflection of the sun on to the moon to get sunlight.
Answer:
C) esophagus - moves air from the nose into the lungs
Explanation:
The oesophagus is a muscular tube with a sphincter valve at each end. Its main function is to transport food and fluid, after being swallowed, from the mouth to the stomach.This is propelled from the pharynx into the oesophagus, and towards the stomach in a peristaltic waves. The peristalsis also pushes food along the alimentary canal
Your hormone levels peak during ovulation, and are at their highest.