Answer the following question given this paragraph: 

Blood flows into the kidney through the renal artery. The renal artery connects to capillaries inside the kidney. Capillaries and nephrons lie very close to each other in the kidney.


Q: Blood flows into the kidney through which artery?

 Choices:

- main artery

- blood artery

- pulminary artery

- renal artery

A:
renal artery
