The primary organs of excretion are the _________.
A. heart and lungs
B. lungs and kidneys
C. kidneys and liver
D. liver and pancreas

Respuesta :

b. the lungs and the kidneys
the lungs remove carbon dioxide and other substances from our body 
and the kidneys remove harmful substances and waste material from our body. Mainly salt and urea 

Answer:

lungs and kidney

Explanation: