Innervation and Circulation

Question 1

N: lungs

Answer 1

1) sympathetic fibers from T1 to T4 spinal segments
2) parasympathetic fibers from vagus nerve

form pulmonary plexus

Question 2

N: parietal pleura

Answer 2

somatic nerves

1) phrenic nerve
2) intercostal nerves

Question 3

N: visceral pleura

Answer 3

1) sympathetic fibers from T1 to T4 spinal segments
2) parasympathetic fibers from vagus nerve

(same as tissue of lungs)

Question 4

Blood supply of respiratory system

Answer 4

direct branches coming from thoracic aorta (bronchial arteries)