Question

The lungs are the main organs of the respiratory system, and the kidneys are the main organs of the urinary system.
Explain why both organs are also part of the excretory system.

Answer 1

Answer:

Although the urinary system has a major role in excretion, other organs contribute to the excretory function. The lungs in the respiratory system excrete some waste products, such as carbon dioxide and water. The skin is another excretory organ that rids the body of wastes through the sweat glands.

Explanation:

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Answer 2

Answer:

Because they both give out substances useless to our bodies

Explanation:

The lungs are part of the excretory system as they give out Carbon dioxide which is useless and harmful to our body. Whereas the kidney gives out urine which is just excess water and salt, which if in your body for too long can harm you.