1. The Excretory System
Lyrical Life Science

2. Excretion rids the cells’ waste Its process is within.
While there is perspiration, that’s excretion through your skin.

3. Kidneys make the urine, Lungs rid CO2
Intestines add some cell waste to the food inside of you.

4. Clean, clean, clean, clean, your body likes it clean.
It has a special system just to keep it clean!

5. In the urinary system the kidneys make blood clean
Nephrons purify it like a filter they will screen

6. Water from the wastes so it can be absorbed,
But waste goes to the ureter, in the bladder it is stored.

7. Clean, clean, clean, clean, your body likes it clean.
It has a special system just to keep it clean!

8. Urine from the kidney to ureter it goes
Collecting in the bladder then through urethra flows

9. Urea is the waste from proteins breaking down
With CO2, ammonia, in urine will be found!

10. Clean, clean, clean, clean, your body likes it clean.
It has a special system just to keep it clean!

11. Clean, clean, clean, clean, your body likes it clean.
It has a special system just to keep it clean!