Respuesta :
Answer:
C. Veins.
Explanation:
Within the body, there are a total of four pulmonary veins, and all of them connect to the left atrium of the heart. The heart pumps oxygen-depleted blood into the lungs via the pulmonary arteries.
oxygenated blood returns to the heart from the lungs via four pulmonary arteries.
the answer is A if i’m not mistaken.
the answer is A if i’m not mistaken.