PDF chapter test TRY NOW

Identify the missing part:
  
Answer variants:
pulmonary artery
urethra
kidney
aorta
right atrium
ureter
left atrium
aorta
renal artery
pulmonary vein
right ventricle
bladder
1. What does 1 indicate in the picture?
 
YC Editorial - Divya (3).png
 
2. What does 1 indicate in the picture?
 
YC Editorial - Divya (10).png