Indicate the organs that perform the excretory function in the human body, and the substances that are removed through them.

1) Carbon dioxide, water vapor are removed from the human body through the lungs.
2) Water, a small amount of urea, and salts are removed through the sweat glands.
3) Through the kidneys, the final products of nitrogen metabolism, salts, and water are removed.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.