The main process of excretion takes place in the


• stomach.
• kidneys.
• small intestine.
• liver.

kidneys.

The main process of excretion takes place in the kidneys.

To find the answer to this question, you can use a couple of approaches:

1. Knowledge: If you have prior knowledge of human anatomy and physiology, you would know that the kidneys are primarily responsible for excretion. They filter waste materials from the blood and produce urine, which is then eliminated from the body.

2. Research: You can conduct a quick search on the internet or refer to a reliable source, such as a biology textbook or an educational website. These sources will provide information about the organs involved in the excretion process.

In this case, it is recommended to use the research method to confirm the answer.

The main process of excretion takes place in the kidneys.