PDF chapter test TRY NOW

Identify the missing part:  
Answer variants:
right atrium
bladder
ureter
pulmonary vein
urethra
renal artery
left atrium
right ventricle
pulmonary artery
aorta
aorta
kidney
What does 1 indicate in the picture?  
hh1.jpg
 
 
What does 1 indicate in the picture?   
es1.jpg