where does the internal carotid artery enter the skull
Internal carotid artery The internal carotid runs vertically upward in the carotid sheath, and enters the skull through the carotid canal. During this part of its course, it lies in front of the transverse processes of the upper three cervical vertebrae.
My Ántonia
Small intestine Food from the stomach is allowed into the duodenum through the pylorus by a muscle called the pyloric sphincter.
Swallowing 5) Closure of the nasopharynx