Breath of one's nostrils and Breath of life

Breath of life and breath of one's nostrils are semantically related. In some cases you can replace phrase "Breath of life" with "Breath of one's nostrils", this phrases are similar.

Breath of one's nostrils and breath of life are semantically related. Sometimes you can replace phrase "Breath of one's nostrils" with "Breath of life", this phrases are similar.