Answer:
Step-by-step explanation:
The two "circuits" that are mentioned in the question, in which the blood circulates in the body have several biological differences rooting from their purpose.
Pulmonary circuit is the circulation process where the dirty, deoxygenated blood is carried to the lungs to get rid of the carbon dioxide and take up oxygen.
Systemic circuit is the circulation process where the freshly oxygenated blood is delivered to all parts of the body, to the organs and cells.
Some of the main differences between these circuits or systems are, as mentioned in their descriptions, their purpose, which are completely different, one carries the oxygenated blood and the other carries the deoxygenated blood throughout the body. Therefore their paths and also the blood pressure in each system is also different.
I hope this answer helps.