Answer:
Serotonin is thought to be the underlying neurotransmitter involved in migraine, based on a lower than normal level of serotonin (5-HT) which increases during attacks.
Answer:
The correct option is : a. The phrenic nerve from the cervical plexus
Explanation:
The diaphragm is a thin skeletal muscle which separates the thoracic cavity and the abdominal cavity.
The phrenic nerve is a nerve present in the thoracic region, that passes down between the heart and the lung and reaches the diaphragm.
The phrenic nerve innervates the diaphragm from the C3–C5 of cervical plexus.
On the flanks of the body, medial to the rectus femoris, the abdominal wall is composed of three layers. The external oblique muscles form the outermost layer, while the internal oblique muscles form the middle layer, and the transverses abdominus forms the innermost layer.
Answer:
The lower region of the human body contains the umbilical region, coxal region, and inguinal region.
Explanation: