Ambas  as

Determiner

  dúas

2

Noun

  serven

Verb

  ao

  mesmo

Determiner

 propósito  de

Adposition

  transportar

Verb

 oxíxeno  no

  organismo

Noun

.

Both serve the same purpose of transporting oxygen in the organism.

Both serve the same purpose of transporting oxygen in the organism.