excrete

01. The waste products [excreted] by yeast in the beer-making process actually add flavor to the beer.

02. Trees are very important to our environment because, unlike humans, they take in carbon dioxide and [excrete] oxygen.

03. When an owl eats a mouse, it digests all the meat, and then [excretes] the fur and bones of the mouse in a small hard ball.

04. Some doctors say vitamin pills are useless because most of the vitamins taken this way are simply [excreted] in the urine, rather than being absorbed into the blood stream.

05. Dirt and other toxins are [excreted] through your pores when you sweat.

06. The [excretion] of waste from our bodies is a continual process.

07. The house where the old lady lived with her 35 cats had a terrible smell of [excrement].

08. Approximately 20 million kilos of dog [excrement] are deposited on the streets of New York every year.

09. Manure is the [excrement] of farm animals, and can be used as fertilizer.

10. Some animals [excrete] toxic substances through their skin to deter predators.

11. A person with poor kidney function often has trouble [excreting] excess fluids, and retains them in the body.

12. Clams take in water, filter out their food, and then [excrete] the extra water.

13. Sweat is part of our body's way of [excreting] toxins from the body.

14. Any drugs which enter the body are generally [excreted] by the kidneys, though small amounts may pass into sweat, saliva and breast milk.

15. When attacked, an octopus can [excrete] a dark, inky substance to confuse predators.