How does the Catholic Church visualize Jesus breathing over His disciples post-resurrecion?

At John 20:22 we read: > When he had said this, he breathed on them and said to them, “Receive > the Holy Spirit. One wonders how Jesus breathed on the disciples: did He do it by way of exhaling through nostrils, or by way of blowing through the mouth? How does the Catholic Church visualize Jesus breathing over His disciples post-resurrection ?