Question

The partial pressure of CO2 is 40 mm Hg in all of the following
blood vessels except
Coronary artery
Pulmonary vein
Pulmonary artery
Systemic artery​

Answer 1

Answer:

Coronary artery is the answer

Answer 2

Answer:

MECHANICS OF BREATHING

A. Pulmonary Ventilation

1. Inspiration = Inhalation

a. Diaphragm contracts and flattens, increasing volume of thoracic cavity.

b. Contraction of intercostal muscles lifts rib cage, increasing thoracic volume.

c. Volume increase lowers intrapulmonary pressure.

d. Air rushes in until pressures equalize.