czułem

first-person singular masculine past of czuć

jak

• Pron

  how

• Conj
• Noun

cała

feminine nominative/vocative singular of cały

krew

1. blood (vital liquid flowing in the bodies of many types of animals that usually conveys nutrients and oxygen)
2. blood (temper of mind; disposition; mood)
3. blood (origin, kinship; race)
4. discharge
5. blood; Further details are uncertain.

spływa

third-person singular present of spływać

mi

• Pron

  dative singular mute of ja

• Noun

się

• Pron

  1. reflexive pronoun; oneself, self
  2. each other, one another
  3. one's own home

• Particle

sercu

dative/locative singular of serce