Question

What shows the sequence of organs through which urea passes as it travels from where it is produced to where it is removed from the blood?

• A. Kidneys $\to$ Heart $\to$ Lungs $\to$ Heart $\to$ Liver
• B. Kidneys $\to$ Heart $\to$ Liver $\to$ Lungs $\to$ Heart
• C. Liver $\to$ Heart $\to$ Lungs $\to$ Heart $\to$ Kidneys
• D. Liver $\to$ Lungs $\to$ Heart $\to$ Kidneys $\to$ Heart

Answer 1

The correct option is C Liver $\to$ Heart $\to$ Lungs $\to$ Heart $\to$ Kidneys

Urea is produced in the liver and eliminated from the body through kidneys, from liver it travels to heart then lungs followed by heart.